{"id":175578,"date":"2025-10-19T15:53:20","date_gmt":"2025-10-19T08:53:20","guid":{"rendered":"https:\/\/tiki.vn\/blog\/?p=175578"},"modified":"2025-10-21T13:23:07","modified_gmt":"2025-10-21T06:23:07","slug":"cach-tim-uoc-chung-tren-may-tinh","status":"publish","type":"post","link":"https:\/\/tiki.vn\/blog\/cach-tim-uoc-chung-tren-may-tinh\/","title":{"rendered":"C\u00e1ch t\u00ecm \u01b0\u1edbc chung tr\u00ean m\u00e1y t\u00ednh Casio, Vinacal nhanh ch\u00f3ng"},"content":{"rendered":"<p style=\"text-align: justify;\">Gi\u1ea3i to\u00e1n r\u00fat g\u1ecdn ph\u00e2n s\u1ed1 hay quy \u0111\u1ed3ng m\u1eabu s\u1ed1 t\u1ed1n nhi\u1ec1u th\u1eddi gian v\u00e0 d\u1ec5 sai s\u00f3t? T\u00ednh n\u0103ng t\u00ecm \u01af\u1edbc chung l\u1edbn nh\u1ea5t (UCLN) v\u00e0 B\u1ed9i chung nh\u1ecf nh\u1ea5t (BCNN) tr\u00ean m\u00e1y t\u00ednh c\u1ea7m tay ch\u00ednh l\u00e0 c\u1ee9u c\u00e1nh gi\u00fap b\u1ea1n x\u1eed l\u00fd c\u00e1c d\u1ea1ng b\u00e0i n\u00e0y nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i. H\u00e3y c\u00f9ng Tiki kh\u00e1m ph\u00e1 c\u00e1ch b\u1ea5m m\u00e1y chi ti\u1ebft qua b\u00e0i vi\u1ebft n\u00e0y.<\/p>\n<blockquote>\n<h2 style=\"text-align: justify;\"><strong>Nh\u1eefng \u0111i\u1ec3m ch\u00ednh<\/strong><\/h2>\n<ul>\n<li style=\"text-align: justify;\">T\u00ednh n\u0103ng UCLN (GCD) v\u00e0 BCNN (LCM) tr\u00ean m\u00e1y t\u00ednh gi\u00fap r\u00fat g\u1ecdn ph\u00e2n s\u1ed1 v\u00e0 quy \u0111\u1ed3ng m\u1eabu s\u1ed1 nhanh ch\u00f3ng, ch\u00ednh x\u00e1c.<\/li>\n<li style=\"text-align: justify;\">S\u1eed d\u1ee5ng c\u00fa ph\u00e1p ALPHA + [x] \u0111\u1ec3 t\u00ecm UCLN (GCD) v\u00e0 ALPHA + [\u00f7] \u0111\u1ec3 t\u00ecm BCNN (LCM) tr\u00ean c\u00e1c d\u00f2ng m\u00e1y ph\u1ed5 bi\u1ebfn.<\/li>\n<li style=\"text-align: justify;\">\u0110\u1ec3 t\u00ecm UCLN\/BCNN cho nhi\u1ec1u s\u1ed1, c\u1ea7n l\u1ed3ng c\u00fa ph\u00e1p theo d\u1ea1ng GCD(a, GCD(b, c)) v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u00f3ng \u0111\u1ee7 d\u1ea5u ngo\u1eb7c.<\/li>\n<li style=\"text-align: justify;\">C\u00e1c d\u00f2ng m\u00e1y \u0111\u01b0\u1ee3c ph\u00e9p v\u00e0o ph\u00f2ng thi nh\u01b0 Casio fx-580VN X, Vinacal 680EX Plus \u0111\u1ec1u h\u1ed7 tr\u1ee3 hi\u1ec7u qu\u1ea3 t\u00ednh n\u0103ng n\u00e0y.<\/li>\n<\/ul>\n<\/blockquote>\n<h2 id=\"1giithiuvuclngcdvbcnnlcmtrnmytnh\" style=\"text-align: justify;\"><strong>1. Gi\u1edbi thi\u1ec7u v\u1ec1 UCLN (GCD) v\u00e0 BCNN (LCM) tr\u00ean m\u00e1y t\u00ednh<\/strong><\/h2>\n<h3 id=\"11uclnvbcnnlg\" style=\"text-align: justify;\"><strong>1.1. UCLN v\u00e0 BCNN l\u00e0 g\u00ec?<\/strong><\/h3>\n<p style=\"text-align: justify;\">\u01af\u1edbc chung l\u1edbn nh\u1ea5t (UCLN), k\u00fd hi\u1ec7u l\u00e0 <strong>GCD<\/strong> (<em>Greatest Common Divisor<\/em>), c\u1ee7a hai hay nhi\u1ec1u s\u1ed1 nguy\u00ean l\u00e0 s\u1ed1 nguy\u00ean d\u01b0\u01a1ng l\u1edbn nh\u1ea5t m\u00e0 t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 \u0111\u00f3 \u0111\u1ec1u chia h\u1ebft. Ch\u1ee9c n\u0103ng n\u00e0y c\u1ef1c k\u1ef3 h\u1eefu \u00edch trong vi\u1ec7c r\u00fat g\u1ecdn ph\u00e2n s\u1ed1 v\u1ec1 d\u1ea1ng t\u1ed1i gi\u1ea3n m\u1ed9t c\u00e1ch nhanh ch\u00f3ng, gi\u00fap b\u00e0i to\u00e1n tr\u1edf n\u00ean g\u1ecdn g\u00e0ng v\u00e0 d\u1ec5 x\u1eed l\u00fd h\u01a1n.<\/p>\n<p style=\"text-align: justify;\">B\u1ed9i chung nh\u1ecf nh\u1ea5t (BCNN), k\u00fd hi\u1ec7u l\u00e0 <strong>LCM<\/strong> (<em>Least Common Multiple<\/em>), c\u1ee7a hai hay nhi\u1ec1u s\u1ed1 nguy\u00ean l\u00e0 s\u1ed1 nguy\u00ean d\u01b0\u01a1ng nh\u1ecf nh\u1ea5t chia h\u1ebft cho t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 \u0111\u00f3. T\u00ednh n\u0103ng n\u00e0y l\u00e0 c\u00f4ng c\u1ee5 \u0111\u1eafc l\u1ef1c khi c\u1ea7n quy \u0111\u1ed3ng m\u1eabu s\u1ed1 c\u00e1c ph\u00e2n s\u1ed1, gi\u00fap vi\u1ec7c c\u1ed9ng tr\u1eeb ph\u00e2n s\u1ed1 kh\u00f4ng c\u00f9ng m\u1eabu s\u1ed1 tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n v\u00e0 ch\u00ednh x\u00e1c h\u01a1n r\u1ea5t nhi\u1ec1u.<\/p>\n<figure id=\"attachment_175902\" aria-describedby=\"caption-attachment-175902\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175902\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-1.jpg\" alt=\"\u0110\u1ecbnh ngh\u0129a UCLN v\u00e0 BCNN\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-1.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-1-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-1-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-1-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175902\" class=\"wp-caption-text\">\u0110\u1ecbnh ngh\u0129a UCLN v\u00e0 BCNN<\/figcaption><\/figure>\n<h3 id=\"12lichkhisdngmytnhtmuclnvbcnn\" style=\"text-align: justify;\"><strong>1.2. L\u1ee3i \u00edch khi s\u1eed d\u1ee5ng m\u00e1y t\u00ednh t\u00ecm UCLN v\u00e0 BCNN<\/strong><\/h3>\n<ul style=\"text-align: justify;\">\n<li><strong>Ti\u1ebft ki\u1ec7m th\u1eddi gian:<\/strong> Thay v\u00ec ph\u1ea3i ph\u00e2n t\u00edch c\u00e1c s\u1ed1 ra th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1 m\u1ed9t c\u00e1ch th\u1ee7 c\u00f4ng, <a href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc\/c1922\" target=\"_blank\" rel=\"noopener\">m\u00e1y t\u00ednh<\/a> cho ra k\u1ebft qu\u1ea3 ch\u1ec9 sau v\u00e0i gi\u00e2y, \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c b\u00e0i thi c\u00f3 gi\u1edbi h\u1ea1n th\u1eddi gian.<\/li>\n<li><strong>\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c cao:<\/strong> Vi\u1ec7c t\u00ednh to\u00e1n b\u1eb1ng m\u00e1y gi\u00fap lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n c\u00e1c sai s\u00f3t do nh\u1ea7m l\u1eabn, nh\u1ea5t l\u00e0 khi l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c con s\u1ed1 l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p.<\/li>\n<li><strong>T\u0103ng s\u1ef1 t\u1ef1 tin:<\/strong> Khi c\u00f3 k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c t\u1eeb m\u00e1y t\u00ednh, h\u1ecdc sinh v\u00e0 sinh vi\u00ean c\u00f3 th\u1ec3 y\u00ean t\u00e2m h\u01a1n v\u1edbi l\u1eddi gi\u1ea3i c\u1ee7a m\u00ecnh, t\u1eeb \u0111\u00f3 t\u1eadp trung v\u00e0o vi\u1ec7c x\u00e2y d\u1ef1ng c\u00e1c b\u01b0\u1edbc gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 l\u1edbn h\u01a1n.<\/li>\n<li><strong>H\u1ed7 tr\u1ee3 gi\u1ea3i to\u00e1n hi\u1ec7u qu\u1ea3:<\/strong> C\u00e1c b\u00e0i to\u00e1n li\u00ean quan \u0111\u1ebfn ph\u00e2n s\u1ed1, chia h\u1ebft v\u00e0 c\u00e1c d\u1ea1ng to\u00e1n th\u1ef1c t\u1ebf tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n h\u01a1n, gi\u00fap ng\u01b0\u1eddi h\u1ecdc n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng.<\/li>\n<\/ul>\n<h2 id=\"2hngdnchitittrnmytnhcasiofx580vnx\" style=\"text-align: justify;\"><strong>2. H\u01b0\u1edbng d\u1eabn chi ti\u1ebft tr\u00ean m\u00e1y t\u00ednh Casio fx-580VN X<\/strong><\/h2>\n<h3 id=\"21cchtmcchunglnnhtuclnkhiugcd\" style=\"text-align: justify;\"><strong>2.1. C\u00e1ch t\u00ecm \u01af\u1edbc chung l\u1edbn nh\u1ea5t (UCLN) \u2013 K\u00fd hi\u1ec7u GCD<\/strong><\/h3>\n<h4 id=\"211tmuclnca2svd24v36\" style=\"text-align: justify;\"><strong>2.1.1. T\u00ecm UCLN c\u1ee7a 2 s\u1ed1 (V\u00ed d\u1ee5: 24 v\u00e0 36)<\/strong><\/h4>\n<ul style=\"text-align: justify;\">\n<li><strong>B\u01b0\u1edbc 1:<\/strong> M\u1edf m\u00e1y v\u00e0 b\u1ea5m ph\u00edm <code>ALPHA<\/code>. B\u1ea5m ph\u00edm <code>x<\/code> (ph\u00edm c\u00f3 d\u1ea5u nh\u00e2n) \u0111\u1ec3 g\u1ecdi h\u00e0m <code>GCD<\/code>. M\u00e0n h\u00ecnh s\u1ebd hi\u1ec3n th\u1ecb <code>GCD(<\/code>.<\/li>\n<\/ul>\n<figure id=\"attachment_175903\" aria-describedby=\"caption-attachment-175903\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175903\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-2.jpg\" alt=\"B\u1ea5m ph\u00edm ALPHA v\u00e0 d\u1ea5u nh\u00e2n\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-2.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-2-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-2-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-2-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175903\" class=\"wp-caption-text\">B\u1ea5m ph\u00edm ALPHA v\u00e0 d\u1ea5u nh\u00e2n<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\">\n<li><strong>B\u01b0\u1edbc 2:<\/strong> Nh\u1eadp s\u1ed1 th\u1ee9 nh\u1ea5t, v\u00ed d\u1ee5: <code>24<\/code>.<\/li>\n<\/ul>\n<figure id=\"attachment_175904\" aria-describedby=\"caption-attachment-175904\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175904\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-3.jpg\" alt=\"Nh\u1eadp s\u1ed1 th\u1ee9 nh\u1ea5t\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-3.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-3-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-3-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-3-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175904\" class=\"wp-caption-text\">Nh\u1eadp s\u1ed1 th\u1ee9 nh\u1ea5t<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\">\n<li><strong>B\u01b0\u1edbc 3:<\/strong> B\u1ea5m <code>SHIFT<\/code> r\u1ed3i b\u1ea5m ph\u00edm <code>)<\/code> (ph\u00edm c\u00f3 d\u1ea5u ph\u1ea9y m\u00e0u v\u00e0ng ph\u00eda tr\u00ean) \u0111\u1ec3 nh\u1eadp d\u1ea5u ph\u1ea9y <code>,<\/code>.<\/li>\n<\/ul>\n<figure id=\"attachment_175905\" aria-describedby=\"caption-attachment-175905\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-175905 size-full\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-4.jpg\" alt=\"Nh\u1eadp d\u1ea5u ph\u1ea9y\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-4.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-4-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-4-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-4-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175905\" class=\"wp-caption-text\">Nh\u1eadp d\u1ea5u ph\u1ea9y<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\">\n<li><strong>B\u01b0\u1edbc 4:<\/strong> Nh\u1eadp s\u1ed1 th\u1ee9 hai, v\u00ed d\u1ee5: <code>36<\/code>.<\/li>\n<\/ul>\n<figure id=\"attachment_175906\" aria-describedby=\"caption-attachment-175906\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175906\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-5.jpg\" alt=\"Nh\u1eadp s\u1ed1 th\u1ee9 hai\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-5.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-5-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-5-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-5-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175906\" class=\"wp-caption-text\">Nh\u1eadp s\u1ed1 th\u1ee9 hai<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\">\n<li><strong>B\u01b0\u1edbc 5:<\/strong> B\u1ea5m ph\u00edm <code>)<\/code> \u0111\u1ec3 \u0111\u00f3ng ngo\u1eb7c. To\u00e0n b\u1ed9 c\u00fa ph\u00e1p tr\u00ean m\u00e0n h\u00ecnh s\u1ebd l\u00e0 <code>GCD(24,36)<\/code>.<\/li>\n<\/ul>\n<figure id=\"attachment_175907\" aria-describedby=\"caption-attachment-175907\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175907\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-6.jpg\" alt=\"B\u1ea5m ph\u00edm ) \u0111\u1ec3 \u0111\u00f3ng ngo\u1eb7c\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-6.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-6-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-6-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-6-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175907\" class=\"wp-caption-text\">B\u1ea5m ph\u00edm ) \u0111\u1ec3 \u0111\u00f3ng ngo\u1eb7c<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\">\n<li><strong>B\u01b0\u1edbc 6:<\/strong> B\u1ea5m ph\u00edm <code>=<\/code> \u0111\u1ec3 nh\u1eadn k\u1ebft qu\u1ea3. M\u00e0n h\u00ecnh s\u1ebd hi\u1ec3n th\u1ecb <code>12<\/code>.<\/li>\n<\/ul>\n<figure id=\"attachment_175908\" aria-describedby=\"caption-attachment-175908\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-175908 size-full\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-7.jpg\" alt=\"B\u1ea5m ph\u00edm b\u1eb1ng\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-7.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-7-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-7-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-7-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175908\" class=\"wp-caption-text\">B\u1ea5m ph\u00edm b\u1eb1ng<\/figcaption><\/figure>\n<h4 id=\"212tmuclnca3strlnvd2436v48\" style=\"text-align: justify;\"><strong>2.1.2. T\u00ecm UCLN c\u1ee7a 3 s\u1ed1 tr\u1edf l\u00ean (V\u00ed d\u1ee5: 24, 36 v\u00e0 48)<\/strong><\/h4>\n<p style=\"text-align: justify;\">\u0110\u1ec3 t\u00ecm UCLN c\u1ee7a ba s\u1ed1, ch\u00fang ta s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c l\u1ed3ng gh\u00e9p <code>GCD(a, GCD(b, c))<\/code>. Thao t\u00e1c b\u1ea5m m\u00e1y s\u1ebd l\u00e0 <code>ALPHA<\/code> <code>x<\/code> <code>24<\/code> <code>SHIFT<\/code> <code>)<\/code> <code>ALPHA<\/code> <code>x<\/code> <code>36<\/code> <code>SHIFT<\/code> <code>)<\/code> <code>48<\/code> <code>)<\/code> <code>)<\/code> <code>=<\/code>. K\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c v\u1eabn l\u00e0 <code>12<\/code>.<\/p>\n<figure id=\"attachment_175909\" aria-describedby=\"caption-attachment-175909\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175909\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-8.jpg\" alt=\"T\u00ecm UCLN c\u1ee7a 3 s\u1ed1 tr\u1edf l\u00ean\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-8.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-8-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-8-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-8-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175909\" class=\"wp-caption-text\">T\u00ecm UCLN c\u1ee7a 3 s\u1ed1 tr\u1edf l\u00ean<\/figcaption><\/figure>\n<h3 id=\"22cchtmbichungnhnhtbcnnkhiulcm\" style=\"text-align: justify;\"><strong>2.2. C\u00e1ch t\u00ecm B\u1ed9i chung nh\u1ecf nh\u1ea5t (BCNN) \u2013 K\u00fd hi\u1ec7u LCM<\/strong><\/h3>\n<h4 id=\"221tmbcnnca2svd8v12\" style=\"text-align: justify;\"><strong>2.2.1. T\u00ecm BCNN c\u1ee7a 2 s\u1ed1 (V\u00ed d\u1ee5: 8 v\u00e0 12)<\/strong><\/h4>\n<ul style=\"text-align: justify;\">\n<li><strong>B\u01b0\u1edbc 1:<\/strong> M\u1edf m\u00e1y v\u00e0 b\u1ea5m ph\u00edm <code>ALPHA<\/code>. B\u1ea5m ph\u00edm <code>\u00f7<\/code> (ph\u00edm c\u00f3 d\u1ea5u chia) \u0111\u1ec3 g\u1ecdi h\u00e0m <code>LCM<\/code>. M\u00e0n h\u00ecnh s\u1ebd hi\u1ec3n th\u1ecb <code>LCM(<\/code>.<\/li>\n<\/ul>\n<figure id=\"attachment_175910\" aria-describedby=\"caption-attachment-175910\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175910\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-9.jpg\" alt=\"B\u1ea5m ph\u00edm ALPHA v\u00e0 d\u1ea5u chia\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-9.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-9-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-9-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-9-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175910\" class=\"wp-caption-text\">B\u1ea5m ph\u00edm ALPHA v\u00e0 d\u1ea5u chia<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\">\n<li><strong>B\u01b0\u1edbc 2:<\/strong> Nh\u1eadp s\u1ed1 th\u1ee9 nh\u1ea5t, v\u00ed d\u1ee5: <code>8<\/code>.<\/li>\n<\/ul>\n<figure id=\"attachment_175911\" aria-describedby=\"caption-attachment-175911\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175911\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-10.jpg\" alt=\"Nh\u1eadp s\u1ed1 th\u1ee9 nh\u1ea5t\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-10.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-10-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-10-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-10-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175911\" class=\"wp-caption-text\">Nh\u1eadp s\u1ed1 th\u1ee9 nh\u1ea5t<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\">\n<li><strong>B\u01b0\u1edbc 3:<\/strong> B\u1ea5m <code>SHIFT<\/code> r\u1ed3i b\u1ea5m ph\u00edm <code>)<\/code> \u0111\u1ec3 nh\u1eadp d\u1ea5u ph\u1ea9y <code>,<\/code>.<\/li>\n<\/ul>\n<figure id=\"attachment_175912\" aria-describedby=\"caption-attachment-175912\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175912\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-11.jpg\" alt=\"Nh\u1eadp d\u1ea5u ph\u1ea9y\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-11.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-11-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-11-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-11-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175912\" class=\"wp-caption-text\">Nh\u1eadp d\u1ea5u ph\u1ea9y<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\">\n<li><strong>B\u01b0\u1edbc 4:<\/strong> Nh\u1eadp s\u1ed1 th\u1ee9 hai, v\u00ed d\u1ee5: <code>12<\/code>.<\/li>\n<\/ul>\n<figure id=\"attachment_175914\" aria-describedby=\"caption-attachment-175914\" style=\"width: 800px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-175914 size-full\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-12.jpg\" alt=\"Nh\u1eadp s\u1ed1 th\u1ee9 hai\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-12.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-12-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-12-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-12-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175914\" class=\"wp-caption-text\">Nh\u1eadp s\u1ed1 th\u1ee9 hai<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\">\n<li><strong>B\u01b0\u1edbc 5:<\/strong> B\u1ea5m ph\u00edm <code>)<\/code> \u0111\u1ec3 \u0111\u00f3ng ngo\u1eb7c. C\u00fa ph\u00e1p ho\u00e0n ch\u1ec9nh tr\u00ean m\u00e0n h\u00ecnh l\u00e0 <code>LCM(8,12)<\/code>.<\/li>\n<\/ul>\n<figure id=\"attachment_175913\" aria-describedby=\"caption-attachment-175913\" style=\"width: 800px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175913\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-13.jpg\" alt=\"B\u1ea5m ph\u00edm \u0111\u00f3ng ngo\u1eb7c\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-13.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-13-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-13-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-13-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175913\" class=\"wp-caption-text\">B\u1ea5m ph\u00edm \u0111\u00f3ng ngo\u1eb7c<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\">\n<li><strong>B\u01b0\u1edbc 6:<\/strong> B\u1ea5m ph\u00edm <code>=<\/code> \u0111\u1ec3 nh\u1eadn k\u1ebft qu\u1ea3. M\u00e0n h\u00ecnh s\u1ebd hi\u1ec3n th\u1ecb <code>24<\/code>.<\/li>\n<\/ul>\n<figure id=\"attachment_175915\" aria-describedby=\"caption-attachment-175915\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175915\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-14.jpg\" alt=\"B\u1ea5m ph\u00edm b\u1eb1ng\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-14.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-14-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-14-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-14-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175915\" class=\"wp-caption-text\">B\u1ea5m ph\u00edm b\u1eb1ng<\/figcaption><\/figure>\n<h4 id=\"222tmbcnnca3strlnvd812v15\" style=\"text-align: justify;\"><strong>2.2.2. T\u00ecm BCNN c\u1ee7a 3 s\u1ed1 tr\u1edf l\u00ean (V\u00ed d\u1ee5: 8, 12 v\u00e0 15)<\/strong><\/h4>\n<p style=\"text-align: justify;\">T\u01b0\u01a1ng t\u1ef1 nh\u01b0 UCLN, ta d\u00f9ng c\u00f4ng th\u1ee9c l\u1ed3ng nhau <code>LCM(a, LCM(b, c))<\/code>. Thao t\u00e1c b\u1ea5m m\u00e1y s\u1ebd l\u00e0 <code>ALPHA<\/code> <code>\u00f7<\/code> <code>8<\/code> <code>SHIFT<\/code> <code>)<\/code> <code>ALPHA<\/code> <code>\u00f7<\/code> <code>12<\/code> <code>SHIFT<\/code> <code>)<\/code> <code>15<\/code> <code>)<\/code> <code>)<\/code> <code>=<\/code>. K\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c l\u00e0 <code>120<\/code>.<\/p>\n<figure id=\"attachment_175916\" aria-describedby=\"caption-attachment-175916\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175916\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-15.jpg\" alt=\"T\u00ecm BCNN c\u1ee7a 3 s\u1ed1 tr\u1edf l\u00ean\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-15.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-15-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-15-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-15-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175916\" class=\"wp-caption-text\">T\u00ecm BCNN c\u1ee7a 3 s\u1ed1 tr\u1edf l\u00ean<\/figcaption><\/figure>\n<h2 id=\"3hngdntrnccdngmytnhphbinkhc\" style=\"text-align: justify;\"><strong>3. H\u01b0\u1edbng d\u1eabn tr\u00ean c\u00e1c d\u00f2ng m\u00e1y t\u00ednh ph\u1ed5 bi\u1ebfn kh\u00e1c<\/strong><\/h2>\n<h3 id=\"31trnmytnhvinacal680explus\" style=\"text-align: justify;\"><strong>3.1. Tr\u00ean m\u00e1y t\u00ednh Vinacal 680EX Plus<\/strong><\/h3>\n<p style=\"text-align: justify;\">D\u00f2ng m\u00e1y <strong>Vinacal 680EX Plus<\/strong> c\u00f3 giao di\u1ec7n v\u00e0 c\u00e1ch thao t\u00e1c g\u1ea7n nh\u01b0 t\u01b0\u01a1ng \u0111\u1ed3ng ho\u00e0n to\u00e0n v\u1edbi <strong>Casio fx-580VN X<\/strong>. B\u1ea1n ch\u1ec9 c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc t\u01b0\u01a1ng t\u1ef1 \u0111\u1ec3 t\u00ecm UCLN v\u00e0 BCNN m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>T\u00ecm UCLN:<\/strong> B\u1ea5m <code>ALPHA<\/code> r\u1ed3i b\u1ea5m ph\u00edm <code>x<\/code> \u0111\u1ec3 g\u1ecdi h\u00e0m <code>GCD<\/code>.<\/li>\n<li><strong>T\u00ecm BCNN:<\/strong> B\u1ea5m <code>ALPHA<\/code> r\u1ed3i b\u1ea5m ph\u00edm <code>\u00f7<\/code> \u0111\u1ec3 g\u1ecdi h\u00e0m <code>LCM<\/code>.<\/li>\n<\/ul>\n<figure id=\"attachment_175917\" aria-describedby=\"caption-attachment-175917\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175917\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-16.jpg\" alt=\"H\u01b0\u1edbng d\u1eabn c\u00e1ch b\u1ea5m tr\u00ean m\u00e1y t\u00ednh Vinacal 680EX Plus\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-16.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-16-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-16-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-16-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175917\" class=\"wp-caption-text\">H\u01b0\u1edbng d\u1eabn c\u00e1ch b\u1ea5m tr\u00ean m\u00e1y t\u00ednh Vinacal 680EX Plus<\/figcaption><\/figure>\n<h3 id=\"32trnmytnhcasiofx570vnplus\" style=\"text-align: justify;\"><strong>3.2. Tr\u00ean m\u00e1y t\u00ednh Casio fx-570VN Plus<\/strong><\/h3>\n<p style=\"text-align: justify;\">V\u1edbi d\u00f2ng m\u00e1y c\u0169 h\u01a1n nh\u01b0ng v\u1eabn r\u1ea5t ph\u1ed5 bi\u1ebfn nh\u01b0 <strong>Casio fx-570VN Plus<\/strong>, nh\u00e0 s\u1ea3n xu\u1ea5t c\u0169ng \u0111\u00e3 t\u00edch h\u1ee3p t\u00ednh n\u0103ng n\u00e0y. Thao t\u00e1c b\u1ea5m ph\u00edm \u0111\u1ec3 g\u1ecdi h\u00e0m GCD v\u00e0 LCM ho\u00e0n to\u00e0n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 d\u00f2ng fx-580VN X. Tuy nhi\u00ean, t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd c\u1ee7a m\u00e1y c\u00f3 th\u1ec3 ch\u1eadm h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi c\u00e1c d\u00f2ng m\u00e1y \u0111\u1eddi m\u1edbi.<\/p>\n<figure id=\"attachment_175918\" aria-describedby=\"caption-attachment-175918\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175918\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-17.jpg\" alt=\"H\u01b0\u1edbng d\u1eabn c\u00e1ch b\u1ea5m tr\u00ean m\u00e1y t\u00ednh Casio fx-570VN Plus\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-17.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-17-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-17-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-17-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175918\" class=\"wp-caption-text\">H\u01b0\u1edbng d\u1eabn c\u00e1ch b\u1ea5m tr\u00ean m\u00e1y t\u00ednh Casio fx-570VN Plus<\/figcaption><\/figure>\n<h2 id=\"4topmytnhcmtaycchcnngtmuclnvbcnn\" style=\"text-align: justify;\"><strong>4. Top m\u00e1y t\u00ednh c\u1ea7m tay c\u00f3 ch\u1ee9c n\u0103ng t\u00ecm UCLN v\u00e0 BCNN<\/strong><\/h2>\n<h3 id=\"41mytnhcasiofx580vnx\" style=\"text-align: justify;\"><strong>4.1. M\u00e1y t\u00ednh Casio FX-580VN X<\/strong><\/h3>\n<p style=\"text-align: justify;\">\u0110\u00e2y \u0111\u01b0\u1ee3c xem l\u00e0 d\u00f2ng m\u00e1y t\u00ednh &#8220;qu\u1ed1c d\u00e2n&#8221; v\u00e0 r\u1ea5t n\u1ed5i b\u1eadt trong d\u00f2ng m\u00e1y t\u00ednh <a href=\"https:\/\/tiki.vn\/thuong-hieu\/casio.html\" target=\"_blank\" rel=\"noopener\">Casio<\/a> t\u1ea1i Vi\u1ec7t Nam, s\u1edf h\u1eefu 521 t\u00ednh n\u0103ng m\u1ea1nh m\u1ebd. Ngo\u00e0i ch\u1ee9c n\u0103ng t\u00ecm UCLN v\u00e0 BCNN, m\u00e1y c\u00f2n h\u1ed7 tr\u1ee3 gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 4, b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 4, ma tr\u1eadn 4&#215;4, v\u00e0 b\u1ea3ng t\u00ednh Spreadsheet. T\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd nhanh, m\u00e0n h\u00ecnh \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao v\u00e0 giao di\u1ec7n th\u00e2n thi\u1ec7n gi\u00fap <a href=\"https:\/\/tiki.vn\/may-tinh-casio-fx580vn-x-p104769768.html\" target=\"_blank\" rel=\"noopener\">Casio FX-580VN X<\/a> tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho h\u1ecdc sinh c\u1ea5p 2, c\u1ea5p 3 v\u00e0 sinh vi\u00ean c\u00e1c kh\u1ed1i ng\u00e0nh t\u1ef1 nhi\u00ean, k\u1ef9 thu\u1eadt. \u0110\u1ed9 b\u1ec1n cao v\u00e0 s\u1ef1 ph\u1ed5 bi\u1ebfn c\u0169ng l\u00e0 m\u1ed9t \u0111i\u1ec3m c\u1ed9ng l\u1edbn.<\/p>\n<p style=\"text-align: justify;\">        <div class=\"tiki-product-slider\">\n            <div class='tiki-product-slider-title'>Mua ngay v\u1edbi m\u1ee9c gi\u00e1 t\u1ed1t t\u1ea1i Tiki:<\/div>\n            <div class=\"embla\">\n                <div class=\"embla__viewport\">\n                    <div class=\"embla__container\"><\/div>\n                <\/div>\n                \n            <\/div>\n        <\/div><\/p>\n<h3 id=\"42mytnhvinacal680explus\" style=\"text-align: justify;\"><strong>4.2. M\u00e1y t\u00ednh Vinacal 680EX Plus<\/strong><\/h3>\n<p style=\"text-align: justify;\">L\u00e0 \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh tr\u1ef1c ti\u1ebfp c\u1ee7a <strong>Casio FX-580VN X<\/strong>, <a href=\"https:\/\/tiki.vn\/may-tinh-vinacal-680ex-plus-mau-hong-p276031379.html\" target=\"_blank\" rel=\"noopener\">Vinacal 680EX Plus<\/a> \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 m\u1ed9t d\u00f2ng m\u00e1y n\u1ed5i b\u1eadt trong th\u01b0\u01a1ng hi\u1ec7u m\u00e1y t\u00ednh c\u1ea7m tay <a href=\"https:\/\/tiki.vn\/thuong-hieu\/vinacal.html\" target=\"_blank\" rel=\"noopener\">Vinacal<\/a> khi c\u00f3 \u0111\u1ebfn 555 t\u00ednh n\u0103ng, nh\u1ec9nh h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi \u0111\u1ed1i th\u1ee7. M\u00e1y c\u00f3 \u0111\u1ee7 ch\u1ee9c n\u0103ng t\u00ecm UCLN, BCNN v\u00e0 c\u00e1c t\u00ednh to\u00e1n cao c\u1ea5p kh\u00e1c. \u0110i\u1ec3m \u0111\u1eb7c bi\u1ec7t c\u1ee7a d\u00f2ng m\u00e1y n\u00e0y l\u00e0 t\u00ednh n\u0103ng t\u00ecm gi\u1edbi h\u1ea1n (LIMIT) v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd nhanh, b\u00e0n ph\u00edm c\u00f3 \u0111\u1ed9 n\u1ea3y t\u1ed1t. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho h\u1ecdc sinh, sinh vi\u00ean mu\u1ed1n kh\u00e1m ph\u00e1 th\u00eam nh\u1eefng ti\u1ec7n \u00edch m\u1edbi trong qu\u00e1 tr\u00ecnh h\u1ecdc v\u00e0 nghi\u00ean c\u1ee9u.<\/p>\n        <div class=\"tiki-product-slider\">\n            <div class='tiki-product-slider-title'>Mua ngay v\u1edbi m\u1ee9c gi\u00e1 t\u1ed1t t\u1ea1i Tiki:<\/div>\n            <div class=\"embla\">\n                <div class=\"embla__viewport\">\n                    <div class=\"embla__container\">            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-vinacal-680ex-plus-mau-hong-p276031379.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/e7\/37\/e6\/b1b4eef927b79c8a436a8b64fb354d05.jpg\" alt=\"M\u00e1y T\u00ednh Vinacal 680EX Plus - M\u00e0u H\u1ed3ng\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Vinacal 680EX Plus - M\u00e0u H\u1ed3ng\">M\u00e1y T\u00ednh Vinacal 680EX Plus - M\u00e0u H\u1ed3ng<\/h4>\n                    <div class=\"product-info-price\">\n                        626.600 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">646.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-3%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 08\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a><\/div>\n                <\/div>\n                \n            <\/div>\n        <\/div>\n<h3 id=\"43mytnhcasiofx570vnplus\" style=\"text-align: justify;\"><strong>4.3. M\u00e1y t\u00ednh Casio FX-570VN Plus<\/strong><\/h3>\n<p style=\"text-align: justify;\">V\u1edbi 453 t\u00ednh n\u0103ng, <a href=\"https:\/\/tiki.vn\/may-tinh-casio-fx-570vn-plus-new-danh-cho-hoc-sinh-cap-2-3-chuyen-dung-phong-thi-va-thi-dai-hoc-p174038516.html\" target=\"_blank\" rel=\"noopener\">Casio FX-570VN Plus<\/a> l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn kinh t\u1ebf nh\u01b0ng v\u1eabn \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 nhu c\u1ea7u h\u1ecdc t\u1eadp c\u01a1 b\u1ea3n. M\u00e1y v\u1eabn h\u1ed7 tr\u1ee3 t\u00ecm UCLN v\u00e0 BCNN m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, n\u1ed5i b\u1eadt v\u1edbi \u0111\u1ed9 b\u1ec1n cao \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng qua nhi\u1ec1u th\u1ebf h\u1ec7 h\u1ecdc sinh v\u00e0 m\u1ee9c gi\u00e1 ph\u1ea3i ch\u0103ng. M\u1eb7c d\u00f9 t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd kh\u00f4ng b\u1eb1ng c\u00e1c d\u00f2ng m\u00e1y m\u1edbi, \u0111\u00e2y v\u1eabn l\u00e0 s\u1ea3n ph\u1ea9m l\u00fd t\u01b0\u1edfng cho h\u1ecdc sinh c\u1ea5p 2 ho\u1eb7c nh\u1eefng ai kh\u00f4ng y\u00eau c\u1ea7u c\u00e1c t\u00ednh n\u0103ng qu\u00e1 ph\u1ee9c t\u1ea1p nh\u01b0ng c\u1ea7n s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 tin c\u1eady.<\/p>\n        <div class=\"tiki-product-slider\">\n            <div class='tiki-product-slider-title'>Mua ngay v\u1edbi m\u1ee9c gi\u00e1 t\u1ed1t t\u1ea1i Tiki:<\/div>\n            <div class=\"embla\">\n                <div class=\"embla__viewport\">\n                    <div class=\"embla__container\"><\/div>\n                <\/div>\n                \n            <\/div>\n        <\/div>\n<h3 id=\"44mytnhsharpelw535sabk\" style=\"text-align: justify;\"><strong>4.4. M\u00e1y t\u00ednh Sharp EL-W535SA-BK<\/strong><\/h3>\n<p style=\"text-align: justify;\">Th\u01b0\u01a1ng hi\u1ec7u <strong>Sharp<\/strong> c\u0169ng mang \u0111\u1ebfn m\u1ed9t l\u1ef1a ch\u1ecdn ch\u1ea5t l\u01b0\u1ee3ng v\u1edbi model <strong>EL-W535SA-BK<\/strong>. M\u00e1y c\u00f3 422 ch\u1ee9c n\u0103ng, bao g\u1ed3m c\u1ea3 t\u00ecm UCLN, BCNN v\u00e0 c\u00e1c ph\u00e9p t\u00ednh th\u1ed1ng k\u00ea. M\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb r\u00f5 n\u00e9t nh\u01b0 s\u00e1ch gi\u00e1o khoa (WriteView) gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng theo d\u00f5i c\u00e1c ph\u00e9p t\u00ednh ph\u1ee9c t\u1ea1p. \u0110\u1ed9 b\u1ec1n chu\u1ea9n Nh\u1eadt B\u1ea3n v\u00e0 thi\u1ebft k\u1ebf ch\u1eafc ch\u1eafn l\u00e0 nh\u1eefng \u0111i\u1ec3m c\u1ed9ng l\u1edbn, ph\u00f9 h\u1ee3p cho h\u1ecdc sinh c\u00e1c c\u1ea5p y\u00eau th\u00edch s\u1ef1 b\u1ec1n b\u1ec9 v\u00e0 \u1ed5n \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng l\u00e2u d\u00e0i.<\/p>\n<figure id=\"attachment_175919\" aria-describedby=\"caption-attachment-175919\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175919\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-19.jpg\" alt=\"M\u00e1y t\u00ednh Sharp EL-W535SA-BK\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-19.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-19-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-19-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-19-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175919\" class=\"wp-caption-text\">M\u00e1y t\u00ednh Sharp EL-W535SA-BK<\/figcaption><\/figure>\n<h2 id=\"5luquantrngkhisdngtnhnng\" style=\"text-align: justify;\"><strong>5. L\u01b0u \u00fd quan tr\u1ecdng khi s\u1eed d\u1ee5ng t\u00ednh n\u0103ng<\/strong><\/h2>\n<h3 id=\"51licphpsyntaxerror\" style=\"text-align: justify;\"><strong>5.1. L\u1ed7i c\u00fa ph\u00e1p &#8220;Syntax Error&#8221;<\/strong><\/h3>\n<p style=\"text-align: justify;\">Khi m\u00e0n h\u00ecnh b\u00e1o l\u1ed7i &#8220;Syntax Error&#8221;, nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 do b\u1ea1n \u0111\u00e3 nh\u1eadp sai c\u00fa ph\u00e1p. H\u00e3y ki\u1ec3m tra k\u1ef9 xem b\u1ea1n \u0111\u00e3 d\u00f9ng \u0111\u00fang d\u1ea5u ph\u1ea9y (nh\u1eadp b\u1eb1ng <code>SHIFT<\/code> + <code>)<\/code>) \u0111\u1ec3 ng\u0103n c\u00e1ch c\u00e1c s\u1ed1 hay ch\u01b0a, v\u00e0 \u0111\u00e3 \u0111\u00f3ng \u0111\u1ee7 c\u00e1c d\u1ea5u ngo\u1eb7c hay ch\u01b0a, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi t\u00ecm UCLN\/BCNN c\u1ee7a ba s\u1ed1 tr\u1edf l\u00ean.<\/p>\n<h3 id=\"52mytnhkhnghtrtnhnng\" style=\"text-align: justify;\"><strong>5.2. M\u00e1y t\u00ednh kh\u00f4ng h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng<\/strong><\/h3>\n<p style=\"text-align: justify;\">M\u1ed9t s\u1ed1 d\u00f2ng m\u00e1y t\u00ednh \u0111\u1eddi c\u0169 h\u01a1n ho\u1eb7c c\u00e1c d\u00f2ng m\u00e1y kh\u00f4ng ch\u00ednh th\u1ed1ng c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n ch\u1ee9c n\u0103ng GCD v\u00e0 LCM. N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng m\u1ed9t model nh\u01b0 v\u1eady v\u00e0 c\u1ea3m th\u1ea5y b\u1ea5t ti\u1ec7n trong vi\u1ec7c gi\u1ea3i to\u00e1n, \u0111\u00e2y l\u00e0 l\u00fac n\u00ean c\u00e2n nh\u1eafc n\u00e2ng c\u1ea5p l\u00ean m\u1ed9t chi\u1ebfc m\u00e1y t\u00ednh m\u1edbi h\u01a1n nh\u01b0 <strong>Casio fx-580VN X<\/strong> \u0111\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 h\u1ed7 tr\u1ee3 t\u1ed1t nh\u1ea5t cho vi\u1ec7c h\u1ecdc.<\/p>\n<h2 id=\"6muamytnhcmtaychnhhngyntmchothictitiki\" style=\"text-align: justify;\"><strong>6. Mua m\u00e1y t\u00ednh c\u1ea7m tay ch\u00ednh h\u00e3ng, y\u00ean t\u00e2m cho thi c\u1eed t\u1ea1i Tiki<\/strong><\/h2>\n<p style=\"text-align: justify;\">Vi\u1ec7c mua nh\u1ea7m m\u00e1y t\u00ednh gi\u1ea3 kh\u00f4ng ch\u1ec9 t\u1ed1n ti\u1ec1n m\u00e0 c\u00f2n \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn k\u1ebft qu\u1ea3 h\u1ecdc t\u1eadp v\u00e0 thi c\u1eed do c\u00e1c sai s\u1ed1 trong t\u00ednh to\u00e1n. Tiki l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 b\u1ea1n s\u1edf h\u1eefu m\u1ed9t chi\u1ebfc <a href=\"https:\/\/tiki.vn\/may-tinh-bo-tui\/c1925\" target=\"_blank\" rel=\"noopener\">m\u00e1y t\u00ednh c\u1ea7m tay<\/a> ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n<p style=\"text-align: justify;\">Tiki l\u00e0 \u0111\u1ecba ch\u1ec9 h\u00e0ng \u0111\u1ea7u \u0111\u1ec3 mua m\u00e1y t\u00ednh tr\u1ef1c tuy\u1ebfn, n\u01a1i b\u1ea1n c\u00f3 th\u1ec3 s\u1edf h\u1eefu nh\u1eefng cu\u1ed1n s\u00e1ch ch\u1ea5t l\u01b0\u1ee3ng cao v\u1edbi gi\u00e1 t\u1ed1t nh\u1ea5t. Ch\u00fang t\u00f4i t\u1ef1 h\u00e0o mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m mua s\u1eafm an t\u00e2m tuy\u1ec7t \u0111\u1ed1i v\u1edbi cam k\u1ebft:<\/p>\n<ul>\n<li style=\"text-align: justify;\">100% H\u00e0ng ch\u00ednh h\u00e3ng.<\/li>\n<li style=\"text-align: justify;\">Tiki x\u00e1c th\u1ef1c ngu\u1ed3n g\u1ed1c 100% s\u1ea3n ph\u1ea9m.<\/li>\n<li style=\"text-align: justify;\">\u0110\u01b0\u1ee3c m\u1edf h\u1ed9p ki\u1ec3m tra khi nh\u1eadn h\u00e0ng.<\/li>\n<li style=\"text-align: justify;\">Cam k\u1ebft ho\u00e0n ti\u1ec1n 200% cho h\u00e0ng gi\u1ea3.<\/li>\n<li style=\"text-align: justify;\">\u0110\u1ed5i tr\u1ea3 d\u1ec5 d\u00e0ng &amp; ho\u00e0n to\u00e0n mi\u1ec5n ph\u00ed.<\/li>\n<\/ul>\n<figure id=\"attachment_175920\" aria-describedby=\"caption-attachment-175920\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-175920\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-18.jpg\" alt=\"Mua m\u00e1y t\u00ednh c\u1ea7m tay ch\u00ednh h\u00e3ng, y\u00ean t\u00e2m cho thi c\u1eed t\u1ea1i Tiki\" width=\"800\" height=\"600\" srcset=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-18.jpg 800w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-18-300x225.jpg 300w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-18-768x576.jpg 768w, https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/10\/cach-tim-uoc-chung-tren-may-tinh-18-696x522.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-175920\" class=\"wp-caption-text\">Mua m\u00e1y t\u00ednh c\u1ea7m tay ch\u00ednh h\u00e3ng, y\u00ean t\u00e2m t\u1ea1i Tiki<\/figcaption><\/figure>\n<h2 id=\"7cuhithnggp\" style=\"text-align: justify;\"><strong>7. C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h2>\n<h3 id=\"71gcdvlcmtrnmytnhlvitttcatg\" style=\"text-align: justify;\"><strong>7.1. GCD v\u00e0 LCM tr\u00ean m\u00e1y t\u00ednh l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a t\u1eeb g\u00ec?<\/strong><\/h3>\n<p style=\"text-align: justify;\"><strong>GCD<\/strong> l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a c\u1ee5m t\u1eeb ti\u1ebfng Anh &#8220;Greatest Common Divisor&#8221;, c\u00f3 ngh\u0129a l\u00e0 \u01af\u1edbc chung l\u1edbn nh\u1ea5t. Trong khi \u0111\u00f3, <strong>LCM<\/strong> l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a &#8220;Least Common Multiple&#8221;, ngh\u0129a l\u00e0 B\u1ed9i chung nh\u1ecf nh\u1ea5t.<\/p>\n<h3 id=\"72mytnhcasiofx580vnxccmangvophngthikhng\" style=\"text-align: justify;\"><strong>7.2. M\u00e1y t\u00ednh Casio fx-580VN X c\u00f3 \u0111\u01b0\u1ee3c mang v\u00e0o ph\u00f2ng thi kh\u00f4ng?<\/strong><\/h3>\n<p style=\"text-align: justify;\">C\u00f3. Theo quy \u0111\u1ecbnh hi\u1ec7n h\u00e0nh c\u1ee7a B\u1ed9 Gi\u00e1o d\u1ee5c v\u00e0 \u0110\u00e0o t\u1ea1o, m\u00e1y t\u00ednh <strong>Casio fx-580VN X<\/strong> n\u1eb1m trong danh s\u00e1ch c\u00e1c m\u00e1y t\u00ednh c\u1ea7m tay \u0111\u01b0\u1ee3c ph\u00e9p mang v\u00e0o ph\u00f2ng thi c\u1ee7a k\u1ef3 thi THPT Qu\u1ed1c gia v\u00e0 c\u00e1c k\u1ef3 thi kh\u00e1c do kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng so\u1ea1n th\u1ea3o v\u0103n b\u1ea3n v\u00e0 kh\u00f4ng c\u00f3 th\u1ebb nh\u1edb \u0111\u1ec3 l\u01b0u tr\u1eef th\u00f4ng tin.<\/p>\n<h3 id=\"73tisaomytnhbolikhitmuclnca3s\" style=\"text-align: justify;\"><strong>7.3. T\u1ea1i sao m\u00e1y t\u00ednh b\u00e1o l\u1ed7i khi t\u00ecm UCLN c\u1ee7a 3 s\u1ed1?<\/strong><\/h3>\n<p style=\"text-align: justify;\">Nguy\u00ean nh\u00e2n th\u01b0\u1eddng g\u1eb7p l\u00e0 do b\u1ea1n nh\u1eadp sai c\u00fa ph\u00e1p l\u1ed3ng nhau. H\u00e3y ch\u1eafc ch\u1eafn r\u1eb1ng b\u1ea1n \u0111\u00e3 \u0111\u00f3ng \u0111\u1ee7 t\u1ea5t c\u1ea3 c\u00e1c d\u1ea5u ngo\u1eb7c theo \u0111\u00fang c\u1ea5u tr\u00fac <code>GCD(s\u1ed1 A, GCD(s\u1ed1 B, s\u1ed1 C))<\/code>. H\u00e3y ki\u1ec3m tra l\u1ea1i t\u1eebng b\u01b0\u1edbc b\u1ea5m m\u00e1y nh\u01b0 \u0111\u00e3 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft \u1edf tr\u00ean \u0111\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i n\u00e0y m\u1ed9t c\u00e1ch nhanh ch\u00f3ng.<\/p>\n<p style=\"text-align: justify;\">        <div class=\"tiki-product-slider\">\n            <div class='tiki-product-slider-title'>Mua ngay m\u00e1y t\u00ednh c\u1ea7m tay ch\u00ednh h\u00e3ng v\u1edbi m\u1ee9c gi\u00e1 t\u1ed1t t\u1ea1i Tiki:<\/div>\n            <div class=\"embla\">\n                <div class=\"embla__viewport\">\n                    <div class=\"embla__container\">            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-thien-long-flexio-fx509vn-co-hon-240-tinh-nang-p275710525.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/f4\/a8\/91\/164a0cc7493753dce287aa6bbfd1f286.png\" alt=\"M\u00e1y t\u00ednh khoa h\u1ecdc Thi\u00ean Long Flexio Fx509VN - D\u00e0nh cho h\u1ecdc sinh c\u00f3 h\u01a1n 240 t\u00ednh n\u0103ng \u0111\u1ea1t chu\u1ea9n mang v\u00e0o ph\u00f2ng thi\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/21\/c9\/ce\/ecf520f4346274799396496b3cbbf7d8.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y t\u00ednh khoa h\u1ecdc Thi\u00ean Long Flexio Fx509VN - D\u00e0nh cho h\u1ecdc sinh c\u00f3 h\u01a1n 240 t\u00ednh n\u0103ng \u0111\u1ea1t chu\u1ea9n mang v\u00e0o ph\u00f2ng thi\">M\u00e1y t\u00ednh khoa h\u1ecdc Thi\u00ean Long Flexio Fx509VN - D\u00e0nh cho h\u1ecdc sinh c\u00f3 h\u01a1n 240 t\u00ednh n\u0103ng \u0111\u1ea1t chu\u1ea9n mang v\u00e0o ph\u00f2ng thi<\/h4>\n                    <div class=\"product-info-price\">\n                        103.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">154.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-33%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 3, 07\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-thien-long-flexio-fx799vn-p263450978.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/02\/03\/0d\/1e48dd37e91d9ac1d6026bafef02399e.png\" alt=\"M\u00e1y t\u00ednh khoa h\u1ecdc Thi\u00ean Long Flexio Fx799VN - M\u00e1y t\u00ednh h\u1ecdc sinh, sinh vi\u00ean, b\u1ea3o h\u00e0nh 7 n\u0103m, \u0111\u01b0\u1ee3c ph\u00e9p mang v\u00e0o ph\u00f2ng thi\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/21\/c9\/ce\/ecf520f4346274799396496b3cbbf7d8.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y t\u00ednh khoa h\u1ecdc Thi\u00ean Long Flexio Fx799VN - M\u00e1y t\u00ednh h\u1ecdc sinh, sinh vi\u00ean, b\u1ea3o h\u00e0nh 7 n\u0103m, \u0111\u01b0\u1ee3c ph\u00e9p mang v\u00e0o ph\u00f2ng thi\">M\u00e1y t\u00ednh khoa h\u1ecdc Thi\u00ean Long Flexio Fx799VN - M\u00e1y t\u00ednh h\u1ecdc sinh, sinh vi\u00ean, b\u1ea3o h\u00e0nh 7 n\u0103m, \u0111\u01b0\u1ee3c ph\u00e9p mang v\u00e0o ph\u00f2ng thi<\/h4>\n                    <div class=\"product-info-price\">\n                        556.800 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">669.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-17%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 3, 07\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-deli-d991es-duoc-phep-mang-vao-phong-thi-p15972401.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/03\/30\/22\/431bce8d0f9503d72952cc00a51b4599.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Deli D991ES (\u0110\u01b0\u1ee3c Ph\u00e9p Mang V\u00e0o Ph\u00f2ng Thi)\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Deli D991ES (\u0110\u01b0\u1ee3c Ph\u00e9p Mang V\u00e0o Ph\u00f2ng Thi)\">M\u00e1y T\u00ednh Khoa H\u1ecdc Deli D991ES (\u0110\u01b0\u1ee3c Ph\u00e9p Mang V\u00e0o Ph\u00f2ng Thi)<\/h4>\n                    <div class=\"product-info-price\">\n                        440.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 09\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-deli-e1710a-p59470906.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/d8\/74\/f6\/ca48139e999b52244d20ca23288cf48e.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Deli E1710A\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Deli E1710A\">M\u00e1y T\u00ednh Khoa H\u1ecdc Deli E1710A<\/h4>\n                    <div class=\"product-info-price\">\n                        200.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 09\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-casio-fx-580vn-x-p3014291.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/f4\/ee\/6e\/adada014b8a2021ebe0d03355775246f.png\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Casio FX-580VN X\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Casio FX-580VN X\">M\u00e1y T\u00ednh Khoa H\u1ecdc Casio FX-580VN X<\/h4>\n                    <div class=\"product-info-price\">\n                        789.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 09\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-flexio-thien-long-fx509vn-mau-tim-p275971039.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/fd\/cb\/d0\/7670faaa7edc4f77b7b197701a6cf615.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx509VN - M\u00e0u T\u00edm\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx509VN - M\u00e0u T\u00edm\">M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx509VN - M\u00e0u T\u00edm<\/h4>\n                    <div class=\"product-info-price\">\n                        125.100 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">129.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-3%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 08\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-flexio-thien-long-fx799vn-mau-den-mau-2-p275770209.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/74\/a7\/47\/e2b79913002ce26665b072ca0a1036db.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u \u0110en - M\u1eabu 2\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u \u0110en - M\u1eabu 2\">M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u \u0110en - M\u1eabu 2<\/h4>\n                    <div class=\"product-info-price\">\n                        653.600 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">688.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-5%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 08\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-thien-long-flexio-fx680vn-plus-mau-xanh-p271100543.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/3e\/35\/c8\/6834416f0439bfc446aa15bac61bf131.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Thi\u00ean Long Flexio Fx680VN Plus - M\u00e0u Xanh\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Thi\u00ean Long Flexio Fx680VN Plus - M\u00e0u Xanh\">M\u00e1y T\u00ednh Khoa H\u1ecdc Thi\u00ean Long Flexio Fx680VN Plus - M\u00e0u Xanh<\/h4>\n                    <div class=\"product-info-price\">\n                        615.900 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">635.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-3%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 08\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-flexio-thien-long-fx799vn-mau-trang-2-p276962801.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/91\/be\/90\/5991c50f2e82e9e20b807ffef7f01670.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Tr\u1eafng 2\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Tr\u1eafng 2\">M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Tr\u1eafng 2<\/h4>\n                    <div class=\"product-info-price\">\n                        667.300 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">688.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-3%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 08\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-flexio-thien-long-fx799vn-mau-xanh-bac-ha-p275770231.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/da\/9f\/e7\/a6eb6bbe904f7b994b7d9f7ba33fd6c9.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Xanh B\u1ea1c H\u00e0\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Xanh B\u1ea1c H\u00e0\">M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Xanh B\u1ea1c H\u00e0<\/h4>\n                    <div class=\"product-info-price\">\n                        667.300 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">688.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-3%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 08\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-flexio-thien-long-fx799vn-mau-xanh-duong-p275770229.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/0c\/c3\/a9\/a5ba9be9fe56894d93cd2f28ffd66ce4.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Xanh D\u01b0\u01a1ng\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Xanh D\u01b0\u01a1ng\">M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Xanh D\u01b0\u01a1ng<\/h4>\n                    <div class=\"product-info-price\">\n                        667.300 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">688.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-3%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 08\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-flexio-thien-long-fx799vn-mau-hong-mau-2-p275770211.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/b1\/c0\/3b\/825562b9d32036cc299f7d2dec914c41.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u H\u1ed3ng - M\u1eabu 2\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u H\u1ed3ng - M\u1eabu 2\">M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u H\u1ed3ng - M\u1eabu 2<\/h4>\n                    <div class=\"product-info-price\">\n                        667.300 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">688.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-3%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 08\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-flexio-thien-long-fx799vn-phien-ban-2025-mau-tim-p278676582.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/eb\/46\/18\/7f732603e4aaf05e1eba6fb8f902e16d.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - Phi\u00ean B\u1ea3n 2025 - M\u00e0u T\u00edm\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - Phi\u00ean B\u1ea3n 2025 - M\u00e0u T\u00edm\">M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - Phi\u00ean B\u1ea3n 2025 - M\u00e0u T\u00edm<\/h4>\n                    <div class=\"product-info-price\">\n                        832.200 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">858.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-3%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 08\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/to-den-voi-khoa-hoc-may-tinh-su-dung-may-tinh-an-toan-p146226406.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/e9\/65\/1a\/1564dcb32819cd88760b907e8b92ec16.jpg\" alt=\"T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n\">T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n<\/h4>\n                    <div class=\"product-info-price\">\n                        38.200 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">49.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-22%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 08\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/so-tay-khoa-hoc-may-tinh-va-ma-hoa-p214753111.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/69\/21\/93\/b0ef11f6e32d1d3b7ec471be03bed28f.jpg\" alt=\"S\u1ed5 Tay Khoa H\u1ecdc M\u00e1y T\u00ednh V\u00e0 M\u00e3 H\u00f3a\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"S\u1ed5 Tay Khoa H\u1ecdc M\u00e1y T\u00ednh V\u00e0 M\u00e3 H\u00f3a\">S\u1ed5 Tay Khoa H\u1ecdc M\u00e1y T\u00ednh V\u00e0 M\u00e3 H\u00f3a<\/h4>\n                    <div class=\"product-info-price\">\n                        420.700 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">495.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-15%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 08\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/to-den-voi-khoa-hoc-may-tinh-su-dung-may-tinh-an-toan-ban-quyen-p276592875.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/dd\/41\/ec\/dc97537a738f9ebb105d987e9ecee61b.jpg\" alt=\"T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh - S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n - B\u1ea3n Quy\u1ec1n\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh - S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n - B\u1ea3n Quy\u1ec1n\">T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh - S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n - B\u1ea3n Quy\u1ec1n<\/h4>\n                    <div class=\"product-info-price\">\n                        39.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">49.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-20%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 6, 10\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/sach-to-den-voi-khoa-hoc-may-tinh-su-dung-may-tinh-an-toan-tai-ban-p112442076.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/a7\/d6\/2e\/e074c75b7389a34d4a0605082013a16e.jpg\" alt=\"S\u00e1ch T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n (T\u00e1i B\u1ea3n)\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/12\/e2\/4a\/c5226426ee9429b0050449ae5403c9cf.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"S\u00e1ch T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n (T\u00e1i B\u1ea3n)\">S\u00e1ch T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n (T\u00e1i B\u1ea3n)<\/h4>\n                    <div class=\"product-info-price\">\n                        31.900 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">49.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-35%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"https:\/\/salt.tikicdn.com\/ts\/tka\/a8\/31\/b6\/802e2c99dcce64c67aa2648edb15dd25.png\" alt=\"\" \/>\n                <span>Giao si\u00eau t\u1ed1c 2h<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/combo-bo-4-cuon-to-den-voi-khoa-hoc-may-tinh-p104049769.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/28\/32\/74\/30d85d11523fda6ca31514154e117dbe.jpg\" alt=\"Combo B\u1ed9 4 Cu\u1ed1n: T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/12\/e2\/4a\/c5226426ee9429b0050449ae5403c9cf.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"Combo B\u1ed9 4 Cu\u1ed1n: T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh\">Combo B\u1ed9 4 Cu\u1ed1n: T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh<\/h4>\n                    <div class=\"product-info-price\">\n                        144.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">196.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-27%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 08\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/bach-khoa-thu-ve-phat-trien-ky-nang-khoa-hoc-may-tinh-p195443800.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/66\/ff\/95\/725e623eb01e0a4d35701368868dcd87.jpg\" alt=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\">B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh<\/h4>\n                    <div class=\"product-info-price\">\n                        280.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 3, 07\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/bach-khoa-thu-ve-phat-trien-ky-nang-khoa-hoc-may-tinh-p200727076.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/6c\/55\/a9\/bde5ea22b120774a508e93ddb4f2f2f0.jpg\" alt=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/b2\/8d\/56\/3086efc2194320a6b83fba7530de7c78.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\">B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh<\/h4>\n                    <div class=\"product-info-price\">\n                        280.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 3, 07\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/bach-khoa-thu-ve-phat-trien-ky-nang-khoa-hoc-may-tinh-p212323965.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/79\/ca\/d4\/8a3268026ba20532799f8a25a91eae35.jpg\" alt=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\">B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh<\/h4>\n                    <div class=\"product-info-price\">\n                        280.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 3, 07\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/bach-khoa-thu-ve-phat-trien-ky-nang-khoa-hoc-may-tinh-p195573633.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/bc\/10\/20\/70e5788473eff1c67d600325d570abf8.jpg\" alt=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\">B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh<\/h4>\n                    <div class=\"product-info-price\">\n                        243.600 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">280.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-13%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 08\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/to-den-voi-khoa-hoc-may-tinh-may-tinh-bang-hoat-dong-nhu-the-nao-p146226429.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/f6\/cd\/af\/8a8dbee6f07581104990ee237de8c69a.jpg\" alt=\"T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: M\u00e1y T\u00ednh B\u1ea3ng Ho\u1ea1t \u0110\u1ed9ng Nh\u01b0 Th\u1ebf N\u00e0o\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: M\u00e1y T\u00ednh B\u1ea3ng Ho\u1ea1t \u0110\u1ed9ng Nh\u01b0 Th\u1ebf N\u00e0o\">T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: M\u00e1y T\u00ednh B\u1ea3ng Ho\u1ea1t \u0110\u1ed9ng Nh\u01b0 Th\u1ebf N\u00e0o<\/h4>\n                    <div class=\"product-info-price\">\n                        38.200 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">49.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-22%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 08\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/bach-khoa-thu-ve-phat-trien-ky-nang-khoa-hoc-may-tinh-dt-p203092558.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/20\/fa\/cb\/d348a3f3daefca24b806197450b10780.jpg\" alt=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh - \u0110T\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh - \u0110T\">B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh - \u0110T<\/h4>\n                    <div class=\"product-info-price\">\n                        280.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 3, 07\/04<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a><\/div>\n                <\/div>\n                        <button class=\"embla__control embla__prev\"><iconify-icon icon=\"tabler:chevron-left\"><\/iconify-icon><\/button>\n        <button class=\"embla__control embla__next\"><iconify-icon icon=\"tabler:chevron-right\"><\/iconify-icon><\/button>\n            <\/div>\n        <\/div><\/p>\n<p style=\"text-align: justify;\"><strong>Xem th\u00eam<\/strong>:<\/p>\n<ul>\n<li style=\"text-align: justify;\"><a href=\"https:\/\/tiki.vn\/blog\/cach-gan-gia-tri-tren-may-tinh-casio\/\" target=\"_blank\" rel=\"noopener\">C\u00e1ch g\u00e1n gi\u00e1 tr\u1ecb tr\u00ean m\u00e1y t\u00ednh Casio: H\u01b0\u1edbng d\u1eabn t\u1eeb A \u0111\u1ebfn Z<\/a><\/li>\n<li style=\"text-align: justify;\"><a href=\"https:\/\/tiki.vn\/blog\/bam-tri-tuyet-doi-may-tinh-casio-580\/\" target=\"_blank\" rel=\"noopener\">B\u1ea5m tr\u1ecb tuy\u1ec7t \u0111\u1ed1i tr\u00ean m\u00e1y t\u00ednh Casio 580: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft nh\u1ea5t<\/a><\/li>\n<li style=\"text-align: justify;\"><a href=\"https:\/\/tiki.vn\/blog\/nut-phan-tram-tren-may-tinh-casio\/\" target=\"_blank\" rel=\"noopener\">N\u00fat ph\u1ea7n tr\u0103m m\u00e1y t\u00ednh Casio: C\u00e1ch b\u1ea5m, m\u1eb9o v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf<\/a><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><em>Vi\u1ec7c th\u00e0nh th\u1ea1o t\u00ednh n\u0103ng t\u00ecm UCLN v\u00e0 BCNN tr\u00ean m\u00e1y t\u00ednh c\u1ea7m tay s\u1ebd gi\u00fap b\u1ea1n gi\u1ea3i quy\u1ebft c\u00e1c b\u00e0i to\u00e1n s\u1ed1 h\u1ecdc m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c cao. H\u00e3y ch\u1ecdn cho m\u00ecnh m\u1ed9t &#8220;tr\u1ee3 th\u1ee7&#8221; \u0111\u1eafc l\u1ef1c \u0111\u1ec3 vi\u1ec7c h\u1ecdc tr\u1edf n\u00ean d\u1ec5 d\u00e0ng v\u00e0 th\u00fa v\u1ecb h\u01a1n. \u0110\u1eb7c bi\u1ec7t, h\u00e3y gh\u00e9 ngay website Tiki \u0111\u1ec3 ch\u1ecdn mua \u0111\u01b0\u1ee3c d\u00f2ng m\u00e1y t\u00ednh c\u1ea7m tay ch\u00ednh h\u00e3ng v\u1edbi m\u1ee9c gi\u00e1 t\u1ed1t, b\u1ea3o h\u00e0nh r\u00f5 r\u00e0ng, \u0111\u1ea3m b\u1ea3o giao nhanh.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gi\u1ea3i to\u00e1n r\u00fat g\u1ecdn ph\u00e2n s\u1ed1 hay quy \u0111\u1ed3ng m\u1eabu s\u1ed1 t\u1ed1n nhi\u1ec1u th\u1eddi gian v\u00e0 d\u1ec5 sai s\u00f3t? T\u00ednh n\u0103ng t\u00ecm \u01af\u1edbc chung l\u1edbn nh\u1ea5t (UCLN) v\u00e0 B\u1ed9i chung nh\u1ecf nh\u1ea5t (BCNN) tr\u00ean m\u00e1y t\u00ednh c\u1ea7m tay ch\u00ednh l\u00e0 c\u1ee9u c\u00e1nh gi\u00fap b\u1ea1n x\u1eed l\u00fd c\u00e1c d\u1ea1ng b\u00e0i n\u00e0y nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c [&hellip;]<\/p>\n","protected":false},"author":30,"featured_media":175901,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1375,1460,1377],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v19.7 (Yoast SEO v20.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1ch t\u00ecm \u01b0\u1edbc chung tr\u00ean m\u00e1y t\u00ednh Casio, Vinacal nhanh ch\u00f3ng<\/title>\n<meta name=\"description\" content=\"H\u01b0\u1edbng d\u1eabn c\u00e1ch t\u00ecm \u01b0\u1edbc chung l\u1edbn nh\u1ea5t (UCLN) v\u00e0 b\u1ed9i chung nh\u1ecf nh\u1ea5t (BCNN) tr\u00ean m\u00e1y t\u00ednh Casio, Vinacal chi ti\u1ebft t\u1eebng b\u01b0\u1edbc, gi\u1ea3i to\u00e1n nhanh. 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