{"id":103738,"date":"2026-05-18T09:29:14","date_gmt":"2026-05-18T02:29:14","guid":{"rendered":"https:\/\/tiki.vn\/blog\/?p=103738"},"modified":"2026-05-18T09:30:11","modified_gmt":"2026-05-18T02:30:11","slug":"cach-bam-lim-tren-may-tinh","status":"publish","type":"post","link":"https:\/\/tiki.vn\/blog\/cach-bam-lim-tren-may-tinh\/","title":{"rendered":"C\u00e1ch b\u1ea5m lim tr\u00ean m\u00e1y t\u00ednh: H\u01b0\u1edbng d\u1eabn Casio v\u00e0 Vinacal chi ti\u1ebft"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Th\u00e0nh th\u1ea1o c\u00e1ch b\u1ea5m lim tr\u00ean m\u00e1y t\u00ednh Casio s\u1ebd gi\u00fap h\u1ecdc sinh, sinh vi\u00ean ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c th\u1eddi gian qu\u00fd b\u00e1u trong c\u00e1c k\u1ef3 thi quan tr\u1ecdng nh\u01b0 k\u1ef3 thi T\u1ed1t nghi\u1ec7p THPT, t\u1eeb \u0111\u00f3 c\u00f3 th\u00eam th\u1eddi gian cho c\u00e1c c\u00e2u h\u1ecfi ph\u1ee9c t\u1ea1p h\u01a1n. H\u00e3y c\u00f9ng Tiki t\u00ecm hi\u1ec3u c\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n chi ti\u1ebft qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/span><\/p>\n<h2><b>Nh\u1eefng \u0111i\u1ec3m ch\u00ednh<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea5m lim tr\u00ean m\u00e1y t\u00ednh Casio l\u00e0 th\u1ee7 thu\u1eadt gi\u00fap gi\u1ea3i to\u00e1n gi\u1edbi h\u1ea1n nhanh, ch\u00ednh x\u00e1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c b\u00e0i thi tr\u1eafc nghi\u1ec7m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nguy\u00ean t\u1eafc chung l\u00e0 s\u1eed d\u1ee5ng ph\u00edm CALC \u0111\u1ec3 g\u00e1n cho bi\u1ebfn x m\u1ed9t gi\u00e1 tr\u1ecb x\u1ea5p x\u1ec9 \u0111i\u1ec3m m\u00e0 n\u00f3 ti\u1ebfn t\u1edbi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nh\u1eadp x \u2248 a \u00b1 10\u207b\u2079 cho lim x\u2192a; nh\u1eadp s\u1ed1 c\u1ef1c l\u1edbn (10\u00b9\u2070) ho\u1eb7c c\u1ef1c nh\u1ecf (-10\u00b9\u2070) cho gi\u1edbi h\u1ea1n t\u1ea1i v\u00f4 c\u1ef1c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bi\u1ebft c\u00e1ch \u0111\u1ecdc k\u1ebft qu\u1ea3: s\u1ed1 c\u00f3 d\u1ea1ng a x 10\u1d47 (b&gt;0) l\u00e0 v\u00f4 c\u1ef1c, v\u00e0 s\u1ed1 c\u00f3 d\u1ea1ng a x 10\u207b\u1d47 l\u00e0 0.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c m\u00e1y t\u00ednh ph\u1ed5 bi\u1ebfn nh\u01b0 Casio fx-580VN X, Casio fx-880BTG, Vinacal 680EX Plus \u0111\u1ec1u h\u1ed7 tr\u1ee3 t\u1ed1t v\u00e0 \u0111\u01b0\u1ee3c mang v\u00e0o ph\u00f2ng thi.<\/span><\/li>\n<\/ul>\n<h2><b>1. T\u1ea1i sao c\u1ea7n bi\u1ebft c\u00e1ch b\u1ea5m lim tr\u00ean m\u00e1y t\u00ednh c\u1ea7m tay?<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u0103ng t\u1ed1c \u0111\u1ed9 l\u00e0m b\u00e0i:<\/b><span style=\"font-weight: 400;\"> \u0110\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c b\u00e0i thi tr\u1eafc nghi\u1ec7m, gi\u00fap gi\u1ea3i quy\u1ebft nhanh c\u00e1c c\u00e2u h\u1ecfi v\u1ec1 gi\u1edbi h\u1ea1n \u0111\u1ec3 d\u00e0nh th\u1eddi gian cho nh\u1eefng ph\u1ea7n kh\u00f3 h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ki\u1ec3m tra k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c:<\/b><span style=\"font-weight: 400;\"> Sau khi gi\u1ea3i t\u1ef1 lu\u1eadn, s\u1eed d\u1ee5ng <\/span><a href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc\/c1922\"><span style=\"font-weight: 400;\">m\u00e1y t\u00ednh<\/span><\/a><span style=\"font-weight: 400;\"> l\u00e0 ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 \u0111\u1ec3 ki\u1ec3m tra l\u1ea1i \u0111\u00e1p \u00e1n, tr\u00e1nh nh\u1eefng sai s\u00f3t \u0111\u00e1ng ti\u1ebfc.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>H\u1ed7 tr\u1ee3 h\u1ecdc t\u1eadp hi\u1ec7u qu\u1ea3:<\/b><span style=\"font-weight: 400;\"> Gi\u00fap h\u1ecdc sinh, sinh vi\u00ean tr\u1ef1c quan h\u00f3a k\u1ebft qu\u1ea3 c\u1ee7a h\u00e0m s\u1ed1 khi bi\u1ebfn s\u1ed1 ti\u1ebfn t\u1edbi m\u1ed9t gi\u00e1 tr\u1ecb nh\u1ea5t \u0111\u1ecbnh, t\u1eeb \u0111\u00f3 hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 b\u1ea3n ch\u1ea5t c\u1ee7a gi\u1edbi h\u1ea1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u1ee8ng d\u1ee5ng r\u1ed9ng r\u00e3i:<\/b><span style=\"font-weight: 400;\"> K\u1ef9 n\u0103ng n\u00e0y c\u1ea7n thi\u1ebft cho ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n t\u1eeb l\u1edbp 11, 12 cho \u0111\u1ebfn c\u00e1c m\u00f4n gi\u1ea3i t\u00edch, x\u00e1c su\u1ea5t th\u1ed1ng k\u00ea \u1edf b\u1eadc \u0111\u1ea1i h\u1ecdc.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u0103ng s\u1ef1 t\u1ef1 tin:<\/b><span style=\"font-weight: 400;\"> N\u1eafm v\u1eefng c\u00e1c th\u1ee7 thu\u1eadt m\u00e1y t\u00ednh gi\u00fap b\u1ea1n t\u1ef1 tin h\u01a1n khi \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1c d\u1ea1ng to\u00e1n ph\u1ee9c t\u1ea1p trong ph\u00f2ng thi.<\/span><\/li>\n<\/ul>\n<h2><b>2. H\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch b\u1ea5m lim tr\u00ean m\u00e1y t\u00ednh Casio v\u00e0 Vinacal<\/b><\/h2>\n<h3><b>2.1. D\u1ea1ng 1: Gi\u1edbi h\u1ea1n khi x ti\u1ebfn t\u1edbi m\u1ed9t s\u1ed1 c\u1ee5 th\u1ec3 (lim x \u2192 a)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 d\u1ea1ng gi\u1edbi h\u1ea1n c\u01a1 b\u1ea3n nh\u1ea5t. Nguy\u00ean t\u1eafc l\u00e0 g\u00e1n cho x m\u1ed9t gi\u00e1 tr\u1ecb c\u1ef1c k\u1ef3 g\u1ea7n v\u1edbi s\u1ed1 <\/span><span style=\"font-weight: 400;\">a<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 xem k\u1ebft qu\u1ea3 c\u1ee7a bi\u1ec3u th\u1ee9c s\u1ebd ti\u1ebfn v\u1ec1 \u0111\u00e2u. T\u00f9y v\u00e0o gi\u1edbi h\u1ea1n tr\u00e1i hay ph\u1ea3i, gi\u00e1 tr\u1ecb g\u00e1n v\u00e0o s\u1ebd c\u00f3 s\u1ef1 thay \u0111\u1ed5i nh\u1ecf.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Nguy\u00ean t\u1eafc:<\/b>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">N\u1ebfu <\/span><span style=\"font-weight: 400;\">x \u2192 a+<\/span><span style=\"font-weight: 400;\"> (gi\u1edbi h\u1ea1n ph\u1ea3i), ta nh\u1eadp <\/span><span style=\"font-weight: 400;\">a + 10\u207b\u2079<\/span><span style=\"font-weight: 400;\"> (ho\u1eb7c <\/span><span style=\"font-weight: 400;\">a + 0.000000001<\/span><span style=\"font-weight: 400;\">).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">N\u1ebfu <\/span><span style=\"font-weight: 400;\">x \u2192 a-<\/span><span style=\"font-weight: 400;\"> (gi\u1edbi h\u1ea1n tr\u00e1i), ta nh\u1eadp <\/span><span style=\"font-weight: 400;\">a &#8211; 10\u207b\u2079<\/span><span style=\"font-weight: 400;\"> (ho\u1eb7c <\/span><span style=\"font-weight: 400;\">a &#8211; 0.000000001<\/span><span style=\"font-weight: 400;\">).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">N\u1ebfu <\/span><span style=\"font-weight: 400;\">x \u2192 a<\/span><span style=\"font-weight: 400;\"> (kh\u00f4ng r\u00f5 tr\u00e1i hay ph\u1ea3i), ta c\u00f3 th\u1ec3 ch\u1ecdn m\u1ed9t trong hai gi\u00e1 tr\u1ecb tr\u00ean.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>V\u00ed d\u1ee5 minh h\u1ecda:<\/b><span style=\"font-weight: 400;\"> T\u00ednh <\/span><span style=\"font-weight: 400;\">lim (x\u00b2 &#8211; 4)\/(x &#8211; 2)<\/span><span style=\"font-weight: 400;\"> khi <\/span><span style=\"font-weight: 400;\">x \u2192 2<\/span><span style=\"font-weight: 400;\">.<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>B\u01b0\u1edbc 1:<\/b><span style=\"font-weight: 400;\"> Nh\u1eadp bi\u1ec3u th\u1ee9c <\/span><span style=\"font-weight: 400;\">(X\u00b2 &#8211; 4) \u00f7 (X &#8211; 2)<\/span><span style=\"font-weight: 400;\"> v\u00e0o m\u00e1y t\u00ednh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>B\u01b0\u1edbc 2:<\/b><span style=\"font-weight: 400;\"> Nh\u1ea5n ph\u00edm <\/span><b>CALC<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>B\u01b0\u1edbc 3:<\/b><span style=\"font-weight: 400;\"> M\u00e1y t\u00ednh hi\u1ec3n th\u1ecb <\/span><span style=\"font-weight: 400;\">X?<\/span><span style=\"font-weight: 400;\">. Ta nh\u1eadp m\u1ed9t gi\u00e1 tr\u1ecb r\u1ea5t g\u1ea7n 2, v\u00ed d\u1ee5 <\/span><span style=\"font-weight: 400;\">2 + 10\u207b\u2079<\/span><span style=\"font-weight: 400;\"> r\u1ed3i nh\u1ea5n ph\u00edm <\/span><b>=<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>B\u01b0\u1edbc 4:<\/b><span style=\"font-weight: 400;\"> \u0110\u1ecdc k\u1ebft qu\u1ea3 hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh l\u00e0 <\/span><span style=\"font-weight: 400;\">4<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>2.2. D\u1ea1ng 2: Gi\u1edbi h\u1ea1n khi x ti\u1ebfn t\u1edbi d\u01b0\u01a1ng v\u00f4 c\u00f9ng (lim x \u2192 +\u221e)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">V\u1edbi gi\u1edbi h\u1ea1n t\u1ea1i v\u00f4 c\u1ef1c, ta kh\u00f4ng th\u1ec3 nh\u1eadp k\u00fd hi\u1ec7u v\u00f4 c\u00f9ng v\u00e0o m\u00e1y. Thay v\u00e0o \u0111\u00f3, ch\u00fang ta s\u1ebd d\u00f9ng ph\u00edm <\/span><b>CALC<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 g\u00e1n cho x m\u1ed9t s\u1ed1 d\u01b0\u01a1ng c\u1ef1c l\u1edbn \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n cho d\u01b0\u01a1ng v\u00f4 c\u00f9ng, gi\u00fap m\u00e1y t\u00ednh t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb ti\u1ec7m c\u1eadn c\u1ee7a bi\u1ec3u th\u1ee9c.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Nguy\u00ean t\u1eafc:<\/b><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng ph\u00edm <\/span><b>CALC<\/b><span style=\"font-weight: 400;\"> v\u00e0 g\u00e1n cho x m\u1ed9t s\u1ed1 d\u01b0\u01a1ng r\u1ea5t l\u1edbn. Th\u00f4ng th\u01b0\u1eddng, ta nh\u1eadp <\/span><span style=\"font-weight: 400;\">10\u00b9\u2070<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c m\u1ed9t d\u00e3y s\u1ed1 <\/span><span style=\"font-weight: 400;\">9999999999<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>V\u00ed d\u1ee5 minh h\u1ecda:<\/b><span style=\"font-weight: 400;\"> T\u00ednh <\/span><span style=\"font-weight: 400;\">lim (2x + 5)\/(x &#8211; 1)<\/span><span style=\"font-weight: 400;\"> khi <\/span><span style=\"font-weight: 400;\">x \u2192 +\u221e<\/span><span style=\"font-weight: 400;\">.<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>B\u01b0\u1edbc 1:<\/b><span style=\"font-weight: 400;\"> Nh\u1eadp bi\u1ec3u th\u1ee9c <\/span><span style=\"font-weight: 400;\">(2X + 5) \u00f7 (X &#8211; 1)<\/span><span style=\"font-weight: 400;\"> v\u00e0o m\u00e1y t\u00ednh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>B\u01b0\u1edbc 2:<\/b><span style=\"font-weight: 400;\"> Nh\u1ea5n ph\u00edm <\/span><b>CALC<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>B\u01b0\u1edbc 3:<\/b><span style=\"font-weight: 400;\"> Khi m\u00e1y h\u1ecfi <\/span><span style=\"font-weight: 400;\">X?<\/span><span style=\"font-weight: 400;\">, ta nh\u1eadp <\/span><span style=\"font-weight: 400;\">10\u00b9\u2070<\/span><span style=\"font-weight: 400;\"> v\u00e0 nh\u1ea5n <\/span><b>=<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>B\u01b0\u1edbc 4:<\/b><span style=\"font-weight: 400;\"> M\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3 l\u00e0 <\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>2.3. D\u1ea1ng 3: Gi\u1edbi h\u1ea1n khi x ti\u1ebfn t\u1edbi \u00e2m v\u00f4 c\u00f9ng (lim x \u2192 -\u221e)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">T\u01b0\u01a1ng t\u1ef1 nh\u01b0 gi\u1edbi h\u1ea1n t\u1ea1i d\u01b0\u01a1ng v\u00f4 c\u00f9ng, \u0111\u1ec3 t\u00ednh gi\u1edbi h\u1ea1n khi x ti\u1ebfn t\u1edbi \u00e2m v\u00f4 c\u00f9ng, ta s\u1ebd g\u00e1n cho x m\u1ed9t s\u1ed1 \u00e2m c\u00f3 gi\u00e1 tr\u1ecb tuy\u1ec7t \u0111\u1ed1i r\u1ea5t l\u1edbn. Thao t\u00e1c n\u00e0y gi\u00fap m\u00e1y t\u00ednh m\u00f4 ph\u1ecfng \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh x ti\u1ebfn v\u1ec1 ph\u00eda \u00e2m v\u00f4 c\u1ef1c.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Nguy\u00ean t\u1eafc:<\/b><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng ph\u00edm <\/span><b>CALC<\/b><span style=\"font-weight: 400;\"> v\u00e0 g\u00e1n cho x m\u1ed9t s\u1ed1 \u00e2m r\u1ea5t l\u1edbn. Th\u00f4ng th\u01b0\u1eddng, ta nh\u1eadp <\/span><span style=\"font-weight: 400;\">-10\u00b9\u2070<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><span style=\"font-weight: 400;\">-9999999999<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>V\u00ed d\u1ee5 minh h\u1ecda:<\/b><span style=\"font-weight: 400;\"> T\u00ednh <\/span><span style=\"font-weight: 400;\">lim (3x\u00b2 &#8211; x + 1)\/(x\u00b2 + 2)<\/span><span style=\"font-weight: 400;\"> khi <\/span><span style=\"font-weight: 400;\">x \u2192 -\u221e<\/span><span style=\"font-weight: 400;\">.<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>B\u01b0\u1edbc 1:<\/b><span style=\"font-weight: 400;\"> Nh\u1eadp bi\u1ec3u th\u1ee9c <\/span><span style=\"font-weight: 400;\">(3X\u00b2 &#8211; X + 1) \u00f7 (X\u00b2 + 2)<\/span><span style=\"font-weight: 400;\"> v\u00e0o m\u00e1y t\u00ednh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>B\u01b0\u1edbc 2:<\/b><span style=\"font-weight: 400;\"> Nh\u1ea5n ph\u00edm <\/span><b>CALC<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>B\u01b0\u1edbc 3:<\/b><span style=\"font-weight: 400;\"> Khi m\u00e1y h\u1ecfi <\/span><span style=\"font-weight: 400;\">X?<\/span><span style=\"font-weight: 400;\">, ta nh\u1eadp <\/span><span style=\"font-weight: 400;\">-10\u00b9\u2070<\/span><span style=\"font-weight: 400;\"> v\u00e0 nh\u1ea5n <\/span><b>=<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><b>B\u01b0\u1edbc 4:<\/b><span style=\"font-weight: 400;\"> M\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3 l\u00e0 <\/span><span style=\"font-weight: 400;\">3<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><b>3. M\u1eb9o \u0111\u1ecdc k\u1ebft qu\u1ea3 v\u00e0 x\u1eed l\u00fd c\u00e1c tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t<\/b><\/h2>\n<h3><b>3.1. K\u1ebft qu\u1ea3 l\u00e0 s\u1ed1 h\u1eefu h\u1ea1n<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Khi m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb m\u1ed9t s\u1ed1 nguy\u00ean, ph\u00e2n s\u1ed1, ho\u1eb7c s\u1ed1 th\u1eadp ph\u00e2n r\u00f5 r\u00e0ng (v\u00ed d\u1ee5: <\/span><span style=\"font-weight: 400;\">4<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">0.5<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">-2<\/span><span style=\"font-weight: 400;\">), \u0111\u00f3 ch\u00ednh l\u00e0 \u0111\u00e1p \u00e1n c\u1ee7a b\u00e0i to\u00e1n. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t s\u1ed1 r\u1ea5t g\u1ea7n v\u1edbi m\u1ed9t s\u1ed1 nguy\u00ean (v\u00ed d\u1ee5: <\/span><span style=\"font-weight: 400;\">3.999999999<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><span style=\"font-weight: 400;\">5.000000001<\/span><span style=\"font-weight: 400;\">), ta c\u1ea7n l\u00e0m tr\u00f2n \u0111\u1ebfn s\u1ed1 nguy\u00ean g\u1ea7n nh\u1ea5t (<\/span><span style=\"font-weight: 400;\">4<\/span><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><span style=\"font-weight: 400;\">5<\/span><span style=\"font-weight: 400;\">).<\/span><\/p>\n<h3><b>3.2. K\u1ebft qu\u1ea3 l\u00e0 v\u00f4 c\u00f9ng (+\u221e ho\u1eb7c -\u221e)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">N\u1ebfu m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb m\u1ed9t s\u1ed1 r\u1ea5t l\u1edbn c\u00f3 d\u1ea1ng <\/span><span style=\"font-weight: 400;\">a x 10\u1d47<\/span><span style=\"font-weight: 400;\"> v\u1edbi <\/span><span style=\"font-weight: 400;\">b<\/span><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t s\u1ed1 d\u01b0\u01a1ng l\u1edbn (v\u00ed d\u1ee5 <\/span><span style=\"font-weight: 400;\">2 x 10\u00b9\u2075<\/span><span style=\"font-weight: 400;\">), \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a gi\u1edbi h\u1ea1n l\u00e0 d\u01b0\u01a1ng v\u00f4 c\u00f9ng (<\/span><span style=\"font-weight: 400;\">+\u221e<\/span><span style=\"font-weight: 400;\">). Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu k\u1ebft qu\u1ea3 l\u00e0 m\u1ed9t s\u1ed1 \u00e2m c\u00f3 gi\u00e1 tr\u1ecb tuy\u1ec7t \u0111\u1ed1i r\u1ea5t l\u1edbn (v\u00ed d\u1ee5 <\/span><span style=\"font-weight: 400;\">-5 x 10\u00b9\u00b2<\/span><span style=\"font-weight: 400;\">), k\u1ebft qu\u1ea3 c\u1ee7a gi\u1edbi h\u1ea1n l\u00e0 \u00e2m v\u00f4 c\u00f9ng (<\/span><span style=\"font-weight: 400;\">-\u221e<\/span><span style=\"font-weight: 400;\">).<\/span><\/p>\n<h3><b>3.3. K\u1ebft qu\u1ea3 b\u1eb1ng 0<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Khi k\u1ebft qu\u1ea3 c\u1ee7a gi\u1edbi h\u1ea1n l\u00e0 0, m\u00e0n h\u00ecnh m\u00e1y t\u00ednh th\u01b0\u1eddng hi\u1ec3n th\u1ecb m\u1ed9t s\u1ed1 r\u1ea5t nh\u1ecf, c\u00f3 d\u1ea1ng <\/span><span style=\"font-weight: 400;\">a x 10\u207b\u1d47<\/span><span style=\"font-weight: 400;\"> v\u1edbi <\/span><span style=\"font-weight: 400;\">b<\/span><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t s\u1ed1 d\u01b0\u01a1ng l\u1edbn (v\u00ed d\u1ee5 <\/span><span style=\"font-weight: 400;\">3 x 10\u00b9\u00b2<\/span><span style=\"font-weight: 400;\">). Khi g\u1eb7p d\u1ea1ng s\u1ed1 n\u00e0y, ta c\u00f3 th\u1ec3 k\u1ebft lu\u1eadn ngay k\u1ebft qu\u1ea3 c\u1ee7a gi\u1edbi h\u1ea1n l\u00e0 <\/span><span style=\"font-weight: 400;\">0<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3><b>3.4. X\u1eed l\u00fd l\u1ed7i \u201cMath ERROR\u201d<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">L\u1ed7i \u201cMath ERROR\u201d th\u01b0\u1eddng x\u1ea3y ra khi gi\u00e1 tr\u1ecb b\u1ea1n <\/span><b>CALC<\/b><span style=\"font-weight: 400;\"> l\u00e0m cho bi\u1ec3u th\u1ee9c kh\u00f4ng x\u00e1c \u0111\u1ecbnh, v\u00ed d\u1ee5 nh\u01b0 l\u00e0m m\u1eabu s\u1ed1 b\u1eb1ng 0. \u0110\u1ec3 kh\u1eafc ph\u1ee5c, thay v\u00ec nh\u1eadp ch\u00ednh x\u00e1c gi\u00e1 tr\u1ecb \u0111\u00f3, h\u00e3y nh\u1eadp m\u1ed9t s\u1ed1 c\u1ef1c k\u1ef3 g\u1ea7n n\u00f3. V\u00ed d\u1ee5, \u0111\u1ec3 t\u00ednh <\/span><span style=\"font-weight: 400;\">lim 1\/x<\/span><span style=\"font-weight: 400;\"> khi <\/span><span style=\"font-weight: 400;\">x \u2192 0+<\/span><span style=\"font-weight: 400;\">, thay v\u00ec nh\u1eadp <\/span><span style=\"font-weight: 400;\">X = 0<\/span><span style=\"font-weight: 400;\">, h\u00e3y nh\u1eadp <\/span><span style=\"font-weight: 400;\">X = 0 + 10\u207b\u2079<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><b>4. Top 5 m\u00e1y t\u00ednh c\u1ea7m tay b\u1ea5m lim nhanh v\u00e0 ch\u00ednh x\u00e1c nh\u1ea5t<\/b><\/h2>\n<h3><b>4.1. M\u00e1y t\u00ednh Casio fx-580VN X<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 d\u00f2ng m\u00e1y t\u00ednh khoa h\u1ecdc ph\u1ed5 bi\u1ebfn v\u00e0 m\u1ea1nh m\u1ebd nh\u1ea5t hi\u1ec7n nay, \u0111\u01b0\u1ee3c xem l\u00e0 \u201ctr\u1ee3 th\u1ee7 \u0111\u1eafc l\u1ef1c\u201d cho m\u1ecdi h\u1ecdc sinh, sinh vi\u00ean. V\u1edbi 521 t\u00ednh n\u0103ng, <\/span><a href=\"https:\/\/tiki.vn\/may-tinh-casio-fx580vn-x-p104769768.html\"><span style=\"font-weight: 400;\">Casio fx-580VN X<\/span><\/a><span style=\"font-weight: 400;\"> c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft h\u1ea7u h\u1ebft c\u00e1c d\u1ea1ng to\u00e1n t\u1eeb ph\u1ed5 th\u00f4ng \u0111\u1ebfn \u0111\u1ea1i h\u1ecdc. T\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd c\u1ef1c nhanh c\u1ee7a m\u00e1y gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian gi\u1ea3i to\u00e1n tr\u1eafc nghi\u1ec7m.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u00e0n h\u00ecnh LCD \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao c\u1ee7a m\u00e1y hi\u1ec3n th\u1ecb bi\u1ec3u th\u1ee9c r\u00f5 n\u00e9t nh\u01b0 trong s\u00e1ch gi\u00e1o khoa, gi\u1ea3m thi\u1ec3u sai s\u00f3t khi nh\u1eadp li\u1ec7u. M\u1ed9t \u0111i\u1ec3m c\u1ed9ng l\u1edbn l\u00e0 giao di\u1ec7n song ng\u1eef Anh \u2013 Vi\u1ec7t r\u1ea5t ti\u1ec7n l\u1ee3i, gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng l\u00e0m quen v\u00e0 khai th\u00e1c h\u1ebft c\u00e1c ch\u1ee9c n\u0103ng. S\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i ch\u00ednh h\u00e3ng b\u1edfi Bitex v\u00e0 lu\u00f4n n\u1eb1m trong danh s\u00e1ch \u0111\u01b0\u1ee3c ph\u00e9p mang v\u00e0o ph\u00f2ng thi.<\/span><\/p>\n<h3><b>4.2. M\u00e1y t\u00ednh Casio fx-570VN PLUS<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">L\u00e0 model \u201cqu\u1ed1c d\u00e2n\u201d quen thu\u1ed9c v\u1edbi nhi\u1ec1u th\u1ebf h\u1ec7 h\u1ecdc sinh, <\/span><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\"><span style=\"font-weight: 400;\">Casio fx-570VN PLUS<\/span><\/a><span style=\"font-weight: 400;\"> v\u1eabn l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady. D\u00f9 \u0111\u00e3 ra m\u1eaft kh\u00e1 l\u00e2u, m\u00e1y v\u1eabn \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 nhu c\u1ea7u h\u1ecdc t\u1eadp v\u00e0 thi c\u1eed c\u01a1 b\u1ea3n v\u1edbi 453 t\u00ednh n\u0103ng. \u01afu \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a d\u00f2ng m\u00e1y n\u00e0y l\u00e0 \u0111\u1ed9 b\u1ec1n cao v\u00e0 giao di\u1ec7n c\u1ef1c k\u1ef3 quen thu\u1ed9c, gi\u00fap h\u1ecdc sinh kh\u00f4ng m\u1ea5t th\u1eddi gian l\u00e0m quen.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Gi\u00e1 th\u00e0nh c\u1ee7a <\/span><b>fx-570VN PLUS<\/b><span style=\"font-weight: 400;\"> r\u1ea5t h\u1ee3p l\u00fd, ph\u00f9 h\u1ee3p v\u1edbi t\u00fai ti\u1ec1n c\u1ee7a \u0111a s\u1ed1 h\u1ecdc sinh. M\u00e1y s\u1eed d\u1ee5ng pin AAA th\u00f4ng d\u1ee5ng, d\u1ec5 d\u00e0ng t\u00ecm mua v\u00e0 thay th\u1ebf khi c\u1ea7n. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n v\u00e0 kinh t\u1ebf cho h\u1ecdc sinh c\u1ea5p 2 v\u00e0 c\u1ea5p 3, nh\u1eefng ng\u01b0\u1eddi c\u1ea7n m\u1ed9t c\u00f4ng c\u1ee5 t\u00ednh to\u00e1n \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n b\u1ec9.<\/span><\/p>\n<h3><b>4.3. M\u00e1y t\u00ednh Vinacal 680EX Plus<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">L\u00e0 \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh tr\u1ef1c ti\u1ebfp v\u1edbi <\/span><b>Casio fx-580VN X<\/b><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/tiki.vn\/may-tinh-vinacal-680ex-plus-mau-hong-p276031379.html\"><span style=\"font-weight: 400;\">Vinacal 680EX Plus<\/span><\/a><span style=\"font-weight: 400;\"> s\u1edf h\u1eefu nhi\u1ec1u \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i v\u00e0 \u0111\u01b0\u1ee3c c\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh \u0111\u00e1nh gi\u00e1 r\u1ea5t cao trong d\u00f2ng m\u00e1y t\u00ednh <\/span><a href=\"https:\/\/tiki.vn\/thuong-hieu\/vinacal.html\"><span style=\"font-weight: 400;\">Vinacal<\/span><\/a><span style=\"font-weight: 400;\">. M\u00e1y c\u00f3 t\u1edbi 555 t\u00ednh n\u0103ng, nhi\u1ec1u h\u01a1n so v\u1edbi \u0111\u1ed1i th\u1ee7, v\u00e0 giao di\u1ec7n ho\u00e0n to\u00e0n b\u1eb1ng ti\u1ebfng Vi\u1ec7t, t\u1ea1o s\u1ef1 thu\u1eadn l\u1ee3i t\u1ed1i \u0111a cho ng\u01b0\u1eddi d\u00f9ng Vi\u1ec7t Nam.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd c\u1ee7a <\/span><b>Vinacal 680EX Plus<\/b><span style=\"font-weight: 400;\"> nhanh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng <\/span><b>Casio 580VN X<\/b><span style=\"font-weight: 400;\">. M\u00e1y c\u00f2n c\u00f3 c\u00e1c t\u00ednh n\u0103ng \u0111\u1ed9c \u0111\u00e1o nh\u01b0 t\u00ecm UCLN, BCNN, th\u00f4ng b\u00e1o s\u1eafp h\u1ebft pin, v\u00e0 nhi\u1ec1u phi\u00ean b\u1ea3n m\u00e0u s\u1eafc tr\u1ebb trung, c\u00e1 t\u00ednh. \u0110\u00e2y l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho nh\u1eefng ai mu\u1ed1n tr\u1ea3i nghi\u1ec7m m\u1ed9t chi\u1ebfc m\u00e1y t\u00ednh m\u1ea1nh m\u1ebd v\u1edbi giao di\u1ec7n th\u00e2n thi\u1ec7n.<\/span><\/p>\n<h3><b>4.4. M\u00e1y t\u00ednh Thi\u00ean Long Flexio Fx799VN<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">L\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m t\u1eeb th\u01b0\u01a1ng hi\u1ec7u v\u0103n ph\u00f2ng ph\u1ea9m quen thu\u1ed9c <\/span><a href=\"https:\/\/tiki.vn\/thuong-hieu\/thien-long.html\"><span style=\"font-weight: 400;\">Thi\u00ean Long<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-thien-long-flexio-fx799vn-p263450978.html\"><span style=\"font-weight: 400;\">Flexio Fx799VN<\/span><\/a><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn m\u1edbi m\u1ebb nh\u01b0ng r\u1ea5t \u0111\u00e1ng c\u00e2n nh\u1eafc. M\u00e1y t\u00edch h\u1ee3p \u0111\u1ebfn 555 t\u00ednh n\u0103ng, h\u01b0\u1edbng \u0111\u1ebfn vi\u1ec7c h\u1ed7 tr\u1ee3 t\u1ed1i \u0111a cho k\u1ef3 thi T\u1ed1t nghi\u1ec7p THPT. Giao di\u1ec7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf b\u1edfi ng\u01b0\u1eddi Vi\u1ec7t n\u00ean r\u1ea5t tr\u1ef1c quan v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng.<\/span><\/p>\n<p><b>Flexio Fx799VN<\/b><span style=\"font-weight: 400;\"> c\u00f3 t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd nhanh v\u00e0 nhi\u1ec1u t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 gi\u1ea3i to\u00e1n chuy\u00ean s\u00e2u nh\u01b0 gi\u1ea3i b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 4, t\u00ecm c\u1ef1c tr\u1ecb h\u00e0m s\u1ed1 b\u1eadc 3. S\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c b\u1ea3o h\u00e0nh ch\u00ednh h\u00e3ng v\u00e0 n\u1eb1m trong danh s\u00e1ch \u0111\u01b0\u1ee3c mang v\u00e0o ph\u00f2ng thi, mang l\u1ea1i s\u1ef1 y\u00ean t\u00e2m cho c\u00e1c s\u0129 t\u1eed trong c\u00e1c k\u1ef3 thi quan tr\u1ecdng.<\/span><\/p>\n<h3><b>4.5. M\u00e1y t\u00ednh Casio fx-880BTG<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 d\u00f2ng m\u00e1y t\u00ednh m\u1edbi nh\u1ea5t thu\u1ed9c series ClassWiz c\u1ee7a <\/span><a href=\"https:\/\/tiki.vn\/thuong-hieu\/casio.html\"><span style=\"font-weight: 400;\">Casio<\/span><\/a><span style=\"font-weight: 400;\">, k\u1ebf th\u1eeba v\u00e0 n\u00e2ng c\u1ea5p t\u1eeb <\/span><b>fx-580VN X<\/b><span style=\"font-weight: 400;\">. <\/span><a href=\"https:\/\/tiki.vn\/may-tinh-casio-fx-880btg-mau-xam-p195357782.html\"><span style=\"font-weight: 400;\">Casio fx-880BTG<\/span><\/a><span style=\"font-weight: 400;\"> mang \u0111\u1ebfn nhi\u1ec1u c\u1ea3i ti\u1ebfn v\u1ec1 giao di\u1ec7n v\u00e0 t\u00ednh n\u0103ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u1edbi smartphone th\u00f4ng qua QR Code \u0111\u1ec3 hi\u1ec3n th\u1ecb \u0111\u1ed3 th\u1ecb v\u00e0 d\u1eef li\u1ec7u, r\u1ea5t h\u1eefu \u00edch cho vi\u1ec7c h\u1ecdc t\u1eadp tr\u1ef1c quan.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Giao di\u1ec7n c\u1ee7a m\u00e1y \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn v\u1edbi c\u00e1c bi\u1ec3u t\u01b0\u1ee3ng icon d\u1ec5 hi\u1ec3u, gi\u00fap \u0111i\u1ec1u h\u01b0\u1edbng d\u1ec5 d\u00e0ng h\u01a1n. T\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd c\u0169ng \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p, cho k\u1ebft qu\u1ea3 nhanh h\u01a1n so v\u1edbi th\u1ebf h\u1ec7 tr\u01b0\u1edbc. V\u1edbi nh\u1eefng t\u00ednh n\u0103ng hi\u1ec7n \u0111\u1ea1i, <\/span><b>Casio fx-880BTG<\/b><span style=\"font-weight: 400;\"> l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho nh\u1eefng ai y\u00eau th\u00edch c\u00f4ng ngh\u1ec7 v\u00e0 mu\u1ed1n c\u00f3 m\u1ed9t c\u00f4ng c\u1ee5 h\u1ecdc t\u1eadp ti\u00ean ti\u1ebfn.<\/span><\/p>\n<h2><b>5. B\u1ea3ng so s\u00e1nh nhanh c\u00e1c d\u00f2ng m\u00e1y t\u00ednh c\u1ea7m tay ph\u1ed5 bi\u1ebfn<\/b><\/h2>\n<table>\n<tbody>\n<tr>\n<td><b>Ti\u00eau ch\u00ed<\/b><\/td>\n<td><b>Casio fx-880BTG<\/b><\/td>\n<td><b>Casio fx-580VN X<\/b><\/td>\n<td><b>Vinacal 680EX Plus<\/b><\/td>\n<td><b>Thi\u00ean Long Fx799VN<\/b><\/td>\n<td><b>Casio fx-570VN PLUS<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>S\u1ed1 t\u00ednh n\u0103ng<\/b><\/td>\n<td><span style=\"font-weight: 400;\">521+ (C\u1ea3i ti\u1ebfn)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">521<\/span><\/td>\n<td><span style=\"font-weight: 400;\">555<\/span><\/td>\n<td><span style=\"font-weight: 400;\">555<\/span><\/td>\n<td><span style=\"font-weight: 400;\">453<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>M\u00e0n h\u00ecnh<\/b><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 ph\u00e2n gi\u1ea3i cao<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 ph\u00e2n gi\u1ea3i cao<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 ph\u00e2n gi\u1ea3i cao<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 ph\u00e2n gi\u1ea3i cao<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Giao di\u1ec7n<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u1ebfng Vi\u1ec7t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Song ng\u1eef (Anh-Vi\u1ec7t)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u1ebfng Vi\u1ec7t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u1ebfng Vi\u1ec7t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u1ebfng Anh<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>T\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd<\/b><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t nhanh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t nhanh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t nhanh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t nhanh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nhanh<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Ngu\u1ed3n pin<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Pin AAA v\u00e0 N\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pin AAA<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pin AAA v\u00e0 N\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pin AAA v\u00e0 N\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pin AAA<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>B\u1ea3o h\u00e0nh<\/b><\/td>\n<td><span style=\"font-weight: 400;\">7 n\u0103m (ch\u00ednh h\u00e3ng Bitex)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7 n\u0103m (ch\u00ednh h\u00e3ng Bitex)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5 n\u0103m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2 n\u0103m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2 n\u0103m<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><b>6. Mua m\u00e1y t\u00ednh c\u1ea7m tay ch\u00ednh h\u00e3ng, uy t\u00edn \u1edf \u0111\u00e2u?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng m\u00e1y t\u00ednh gi\u1ea3, kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn sai s\u1ed1 nghi\u00eam tr\u1ecdng trong t\u00ednh to\u00e1n, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn k\u1ebft qu\u1ea3 h\u1ecdc t\u1eadp v\u00e0 c\u00e1c k\u1ef3 thi quan tr\u1ecdng. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an t\u00e2m tuy\u1ec7t \u0111\u1ed1i, vi\u1ec7c l\u1ef1a ch\u1ecdn n\u01a1i mua uy t\u00edn l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft.<\/span><\/p>\n<p><b>Tiki v\u00e0 gian h\u00e0ng Tiki Trading<\/b><span style=\"font-weight: 400;\"> l\u00e0 \u0111\u1ecba ch\u1ec9 \u0111\u00e1ng tin c\u1eady h\u00e0ng \u0111\u1ea7u khi mua m\u00e1y t\u00ednh c\u1ea7m tay online. Mua s\u1eafm t\u1ea1i Tiki, b\u1ea1n s\u1ebd ho\u00e0n to\u00e0n y\u00ean t\u00e2m v\u1edbi cam k\u1ebft:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>100% h\u00e0ng ch\u00ednh h\u00e3ng:<\/b><span style=\"font-weight: 400;\"> T\u1ea5t c\u1ea3 s\u1ea3n ph\u1ea9m \u0111\u1ec1u c\u00f3 tem ch\u1ed1ng gi\u1ea3 v\u00e0 phi\u1ebfu b\u1ea3o h\u00e0nh t\u1eeb nh\u00e0 ph\u00e2n ph\u1ed1i \u0111\u1ed9c quy\u1ec1n nh\u01b0 Bitex (cho Casio), \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ngu\u1ed3n g\u1ed1c xu\u1ea5t x\u1ee9.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ch\u00ednh s\u00e1ch \u0111\u1ed5i tr\u1ea3, b\u1ea3o h\u00e0nh r\u00f5 r\u00e0ng:<\/b><span style=\"font-weight: 400;\"> H\u1ed7 tr\u1ee3 \u0111\u1ed5i tr\u1ea3 mi\u1ec5n ph\u00ed n\u1ebfu s\u1ea3n ph\u1ea9m c\u00f3 l\u1ed7i t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t. Ch\u1ebf \u0111\u1ed9 b\u1ea3o h\u00e0nh d\u00e0i h\u1ea1n theo \u0111\u00fang ti\u00eau chu\u1ea9n c\u1ee7a h\u00e3ng, gi\u00fap b\u1ea1n y\u00ean t\u00e2m s\u1eed d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>D\u1ecbch v\u1ee5 giao h\u00e0ng nhanh:<\/b><span style=\"font-weight: 400;\"> V\u1edbi d\u1ecbch v\u1ee5 TikiNOW Giao nhanh 2H, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn ngay chi\u1ebfc m\u00e1y t\u00ednh m\u00ecnh c\u1ea7n m\u00e0 kh\u00f4ng ph\u1ea3i ch\u1edd \u0111\u1ee3i l\u00e2u, k\u1ecbp th\u1eddi cho vi\u1ec7c h\u1ecdc t\u1eadp v\u00e0 \u00f4n thi.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Tham kh\u1ea3o th\u00eam nh\u1eefng quy\u1ec3n s\u00e1ch hay t\u1ea1i nh\u00e0 s\u00e1ch <\/span><a href=\"https:\/\/tiki.vn\/nha-sach-tiki\/c8322\"><span style=\"font-weight: 400;\">Tiki<\/span><\/a><span style=\"font-weight: 400;\"> nh\u00e9!<\/span><\/p>\n<h2><b>7. C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 c\u00e1ch b\u1ea5m lim tr\u00ean m\u00e1y t\u00ednh<\/b><\/h2>\n<h3><b>7.1. T\u1ea1i sao k\u1ebft qu\u1ea3 ra <\/b><b>2.5 x 10\u00b9\u2075<\/b><b> m\u00e0 kh\u00f4ng ph\u1ea3i k\u00fd hi\u1ec7u v\u00f4 c\u00f9ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 c\u00e1ch m\u00e1y t\u00ednh c\u1ea7m tay hi\u1ec3n th\u1ecb m\u1ed9t s\u1ed1 r\u1ea5t l\u1edbn. Khi b\u1ea1n th\u1ea5y k\u1ebft qu\u1ea3 c\u00f3 d\u1ea1ng <\/span><span style=\"font-weight: 400;\">a x 10\u1d47<\/span><span style=\"font-weight: 400;\"> v\u1edbi <\/span><span style=\"font-weight: 400;\">b<\/span><span style=\"font-weight: 400;\"> l\u00e0 s\u1ed1 m\u0169 d\u01b0\u01a1ng l\u1edbn, b\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u00f3 l\u00e0 d\u01b0\u01a1ng v\u00f4 c\u00f9ng (n\u1ebfu a &gt; 0) ho\u1eb7c \u00e2m v\u00f4 c\u00f9ng (n\u1ebfu a &lt; 0).<\/span><\/p>\n<h3><b>7.2. N\u00ean nh\u1eadp <\/b><b>999999<\/b><b> hay <\/b><b>10\u00b9\u2070<\/b><b> khi t\u00ednh lim ti\u1ebfn t\u1edbi v\u00f4 c\u00f9ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u1ea3 hai c\u00e1ch nh\u1eadp \u0111\u1ec1u cho ra k\u1ebft qu\u1ea3 t\u01b0\u01a1ng \u0111\u1ed1i ch\u00ednh x\u00e1c trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p. Tuy nhi\u00ean, vi\u1ec7c nh\u1eadp <\/span><span style=\"font-weight: 400;\">10\u00b9\u2070<\/span><span style=\"font-weight: 400;\"> (ho\u1eb7c <\/span><span style=\"font-weight: 400;\">-10\u00b9\u2070<\/span><span style=\"font-weight: 400;\">) th\u01b0\u1eddng nhanh v\u00e0 \u00edt t\u1ed1n thao t\u00e1c h\u01a1n. \u0110\u1ed3ng th\u1eddi, \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u1edbn h\u01a1n, gi\u00fap k\u1ebft qu\u1ea3 ti\u1ec7m c\u1eadn gi\u1edbi h\u1ea1n ch\u00ednh x\u00e1c h\u01a1n \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 h\u00e0m s\u1ed1 ph\u1ee9c t\u1ea1p.<\/span><\/p>\n<h3><b>7.3. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 bi\u1ebft m\u00e1y t\u00ednh c\u1ee7a m\u00ecnh c\u00f3 \u0111\u01b0\u1ee3c mang v\u00e0o ph\u00f2ng thi kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">H\u00e0ng n\u0103m, B\u1ed9 Gi\u00e1o d\u1ee5c v\u00e0 \u0110\u00e0o t\u1ea1o s\u1ebd ban h\u00e0nh c\u00f4ng v\u0103n ch\u00ednh th\u1ee9c, c\u00f4ng b\u1ed1 danh s\u00e1ch c\u00e1c lo\u1ea1i m\u00e1y t\u00ednh c\u1ea7m tay \u0111\u01b0\u1ee3c ph\u00e9p mang v\u00e0o ph\u00f2ng thi trong k\u1ef3 thi T\u1ed1t nghi\u1ec7p THPT. C\u00e1c model ph\u1ed5 bi\u1ebfn nh\u01b0 <\/span><b>Casio fx-580VN X<\/b><span style=\"font-weight: 400;\">, <\/span><b>Casio fx-570VN PLUS<\/b><span style=\"font-weight: 400;\">, <\/span><b>Vinacal 680EX Plus<\/b><span style=\"font-weight: 400;\">, <\/span><b>Casio fx-880BTG<\/b><span style=\"font-weight: 400;\"> h\u1ea7u nh\u01b0 lu\u00f4n c\u00f3 m\u1eb7t trong danh s\u00e1ch n\u00e0y.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">        <div class=\"tiki-product-slider\">\n            <div class='tiki-product-slider-title'>Mua ngay s\u00e1ch v\u1ec1 M\u00e1y t\u00ednh casio 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-de-ban-casio-dc-12m-p13379271.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/36\/fc\/c3\/c572f99670cff141ed6240f53bd01e00.jpg\" alt=\"M\u00e1y T\u00ednh \u0110\u1ec3 B\u00e0n Casio DC-12M\" 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=\"M\u00e1y T\u00ednh \u0110\u1ec3 B\u00e0n Casio DC-12M\">M\u00e1y T\u00ednh \u0110\u1ec3 B\u00e0n Casio DC-12M<\/h4>\n                    <div class=\"product-info-price\">\n                        330.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">440.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-25%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" 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\/may-tinh-de-ban-casio-mc-12m-p13379331.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/41\/b0\/02\/a16cfdceb242f3dc7174d70cddc245b5.jpg\" alt=\"M\u00e1y T\u00ednh \u0110\u1ec3 B\u00e0n Casio MC-12M\" 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=\"M\u00e1y T\u00ednh \u0110\u1ec3 B\u00e0n Casio MC-12M\">M\u00e1y T\u00ednh \u0110\u1ec3 B\u00e0n Casio MC-12M<\/h4>\n                    <div class=\"product-info-price\">\n                        279.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">350.000<\/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 decoding=\"async\" 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\/may-tinh-casio-dx120b-p23028881.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/b6\/ee\/34\/24bacfbb781568f877c8035f15bbece1.jpg\" alt=\"M\u00e1y t\u00ednh CASIO DX120B\" 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=\"M\u00e1y t\u00ednh CASIO DX120B\">M\u00e1y t\u00ednh CASIO DX120B<\/h4>\n                    <div class=\"product-info-price\">\n                        359.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">480.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-25%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" 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\/may-tinh-casio-mx120b-p23028871.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/8c\/42\/de\/55b9fb922f4cd7ec6d2107b3cc508153.jpg\" alt=\"M\u00e1y t\u00ednh CASIO MX120B\" 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=\"M\u00e1y t\u00ednh CASIO MX120B\">M\u00e1y t\u00ednh CASIO MX120B<\/h4>\n                    <div class=\"product-info-price\">\n                        227.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">310.000<\/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 decoding=\"async\" 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\/may-tinh-casio-dm-1200fm-p53806304.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/42\/16\/b0\/6fe783c354484a4e2cb6fe788ef0f228.jpg\" alt=\"M\u00e1y T\u00ednh Casio DM - 1200FM\" 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 Casio DM - 1200FM\">M\u00e1y T\u00ednh Casio DM - 1200FM<\/h4>\n                    <div class=\"product-info-price\">\n                        615.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/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-casio-lc403tv-p278489393.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/07\/19\/69\/05ad0275e2781cb033bdf64489b0f6a0.jpg\" alt=\"M\u00e1y T\u00ednh CASIO LC403TV\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/c2\/bc\/6d\/ff18cc8968e2bbb43f7ac58efbfafdff.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh CASIO LC403TV\">M\u00e1y T\u00ednh CASIO LC403TV<\/h4>\n                    <div class=\"product-info-price\">\n                        133.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">180.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-26%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" 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\/may-tinh-casio-mx12b-p278489385.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/e3\/c9\/17\/8190400f4d418c6e3ca3097e47698cf2.jpg\" alt=\"M\u00e1y T\u00ednh CASIO MX12B\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/c2\/bc\/6d\/ff18cc8968e2bbb43f7ac58efbfafdff.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh CASIO MX12B\">M\u00e1y T\u00ednh CASIO MX12B<\/h4>\n                    <div class=\"product-info-price\">\n                        181.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">220.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-18%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" 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\/may-tinh-casio-mj120dplus-p278489382.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/ac\/cb\/3b\/8c50ec1dcafda734ab78c61a9644d22f.png\" alt=\"M\u00e1y T\u00ednh CASIO MJ120DPLUS\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/c2\/bc\/6d\/ff18cc8968e2bbb43f7ac58efbfafdff.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh CASIO MJ120DPLUS\">M\u00e1y T\u00ednh CASIO MJ120DPLUS<\/h4>\n                    <div class=\"product-info-price\">\n                        293.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">380.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-23%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" 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\/may-tinh-casio-js40b-p278489381.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/ca\/d9\/4b\/c57d03b4b5fa118872e6d87d01fba823.png\" alt=\"M\u00e1y T\u00ednh CASIO JS40B\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/c2\/bc\/6d\/ff18cc8968e2bbb43f7ac58efbfafdff.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh CASIO JS40B\">M\u00e1y T\u00ednh CASIO JS40B<\/h4>\n                    <div class=\"product-info-price\">\n                        907.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">1.210.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-25%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" 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\/may-tinh-casio-ax120b-p278490726.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/8a\/66\/a4\/1b11d8ac338968c7c9377e6cc341e7e4.jpg\" alt=\"M\u00e1y T\u00ednh CASIO AX120B\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/c2\/bc\/6d\/ff18cc8968e2bbb43f7ac58efbfafdff.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh CASIO AX120B\">M\u00e1y T\u00ednh CASIO AX120B<\/h4>\n                    <div class=\"product-info-price\">\n                        336.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">450.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-25%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" 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\/may-tinh-casio-hl122tv-p23028879.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/3c\/a0\/0d\/4cfdfe3bdf23d41492054a550af17ab0.jpg\" alt=\"M\u00e1y t\u00ednh CASIO HL122TV\" 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 CASIO HL122TV\">M\u00e1y t\u00ednh CASIO HL122TV<\/h4>\n                    <div class=\"product-info-price\">\n                        370.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/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-casio-js20b-p23028887.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/87\/6c\/04\/c7b25a59e11d7b583f502e191f499a73.jpg\" alt=\"M\u00e1y t\u00ednh CASIO JS20B\" 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 CASIO JS20B\">M\u00e1y t\u00ednh CASIO JS20B<\/h4>\n                    <div class=\"product-info-price\">\n                        945.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/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-casio-j-120b-p566316.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/media\/catalog\/product\/2\/2\/2269806847037-001.u4083.d20161229.t154611.135973.jpg\" alt=\"M\u00e1y T\u00ednh Casio J-120B\" 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 Casio J-120B\">M\u00e1y T\u00ednh Casio J-120B<\/h4>\n                    <div class=\"product-info-price\">\n                        386.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 6, 22\/05<\/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-casio-gx-120b-p541179.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/media\/catalog\/product\/7\/7\/7700159716144-002.u2683.d20160912.t135638.425746.jpg\" alt=\"M\u00e1y T\u00ednh Casio GX-120B\" 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 Casio GX-120B\">M\u00e1y T\u00ednh Casio GX-120B<\/h4>\n                    <div class=\"product-info-price\">\n                        495.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 6, 22\/05<\/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-casio-wm220ms-bu-p23028873.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/04\/3a\/1f\/b532615317770cc24062cd770bdce120.png\" alt=\"M\u00e1y t\u00ednh CASIO WM220MS-BU\" 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 CASIO WM220MS-BU\">M\u00e1y t\u00ednh CASIO WM220MS-BU<\/h4>\n                    <div class=\"product-info-price\">\n                        525.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/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-casio-df-120fm-pk-p71967767.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/6c\/eb\/36\/703466ea45db909f0f7cfb9a81b330de.jpg\" alt=\"M\u00e1y T\u00ednh CASIO DF-120FM-PK\" 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 CASIO DF-120FM-PK\">M\u00e1y T\u00ednh CASIO DF-120FM-PK<\/h4>\n                    <div class=\"product-info-price\">\n                        505.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/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-casio-fx500ms-p102609307.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/c4\/82\/dc\/57ca3a39a8405a50afc612804cc968f2.png\" alt=\"M\u00e1y T\u00ednh Casio Fx500MS\" 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 Casio Fx500MS\">M\u00e1y T\u00ednh Casio Fx500MS<\/h4>\n                    <div class=\"product-info-price\">\n                        404.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/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-casio-dc-12m-pl-p36711111.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/80\/98\/68\/d78fb8d757ca71500675f1d4d6a456fc.jpg\" alt=\"M\u00e1y t\u00ednh CASIO DC-12M (PL)\" 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 CASIO DC-12M (PL)\">M\u00e1y t\u00ednh CASIO DC-12M (PL)<\/h4>\n                    <div class=\"product-info-price\">\n                        461.700 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">476.000<\/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 decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/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-casio-jw200sc-bk-p50361812.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/3e\/3d\/65\/8339d863d855f389eacfb771df419ac6.jpg\" alt=\"M\u00e1y T\u00ednh Casio JW200SC-BK\" 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 Casio JW200SC-BK\">M\u00e1y T\u00ednh Casio JW200SC-BK<\/h4>\n                    <div class=\"product-info-price\">\n                        819.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>H\u1ebft h\u00e0ng<\/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-de-ban-casio-dc-mc-12m-best-choice-for-yourshop-p91773862.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/37\/ef\/d5\/626c5785d8143cc5ae929a99bdeb7acb.jpg\" alt=\" M\u00e1y T\u00ednh \u0110\u1ec3 B\u00e0n Casio DC\/MC-12M Best Choice for YourShop\" 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 \u0110\u1ec3 B\u00e0n Casio DC\/MC-12M Best Choice for YourShop\"> M\u00e1y T\u00ednh \u0110\u1ec3 B\u00e0n Casio DC\/MC-12M Best Choice for YourShop<\/h4>\n                    <div class=\"product-info-price\">\n                        290.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/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-de-ban-casio-wd-320mt-p13379390.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/f3\/02\/b3\/6a3e1b7d4cf6daca69942317ec1a1a32.jpg\" alt=\"M\u00e1y T\u00ednh \u0110\u1ec3 B\u00e0n Casio WD-320MT\" 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 \u0110\u1ec3 B\u00e0n Casio WD-320MT\">M\u00e1y T\u00ednh \u0110\u1ec3 B\u00e0n Casio WD-320MT<\/h4>\n                    <div class=\"product-info-price\">\n                        780.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/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-de-ban-casio-gx-12b-p13379282.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/f1\/6a\/dd\/a4529bc3172f8da73d3b6cde42e3acb7.jpg\" alt=\"M\u00e1y T\u00ednh \u0110\u1ec3 B\u00e0n Casio GX-12B\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/c2\/bc\/6d\/ff18cc8968e2bbb43f7ac58efbfafdff.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh \u0110\u1ec3 B\u00e0n Casio GX-12B\">M\u00e1y T\u00ednh \u0110\u1ec3 B\u00e0n Casio GX-12B<\/h4>\n                    <div class=\"product-info-price\">\n                        421.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">560.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-25%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/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-casio-dx-120b-w-dc-p23405315.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/cf\/b2\/b6\/2b75670ac996d7e5591f79981ba3c4b3.jpg\" alt=\"M\u00e1y t\u00ednh Casio DX-120B-W-DC\" 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 Casio DX-120B-W-DC\">M\u00e1y t\u00ednh Casio DX-120B-W-DC<\/h4>\n                    <div class=\"product-info-price\">\n                        389.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 6, 22\/05<\/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-casio-ms-10f-p100285956.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/3e\/1d\/6a\/ff097b352d71a30d4402684163280992.jpg\" alt=\"M\u00e1y T\u00ednh Casio MS - 10F\" 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 Casio MS - 10F\">M\u00e1y T\u00ednh Casio MS - 10F<\/h4>\n                    <div class=\"product-info-price\">\n                        342.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/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><\/span><\/p>\n<p><b>Xem th\u00eam<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/tiki.vn\/blog\/cach-gan-gia-tri-tren-may-tinh-casio\/\"><span style=\"font-weight: 400;\">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<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/tiki.vn\/blog\/nut-phan-tram-tren-may-tinh-casio\/\"><span style=\"font-weight: 400;\">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<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/tiki.vn\/blog\/xoa-chu-m-tren-may-tinh-casio\/\"><span style=\"font-weight: 400;\">2 c\u00e1ch x\u00f3a ch\u1eef M tr\u00ean m\u00e1y t\u00ednh Casio \u0111\u01a1n gi\u1ea3n, gi\u1eef nguy\u00ean c\u00e0i \u0111\u1eb7t<\/span><\/a><\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400;\">Vi\u1ec7c th\u00e0nh th\u1ea1o k\u1ef9 n\u0103ng b\u1ea5m lim tr\u00ean m\u00e1y t\u00ednh c\u1ea7m tay kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t th\u1ee7 thu\u1eadt gi\u1ea3i to\u00e1n m\u00e0 c\u00f2n l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf chi\u1ebfn l\u01b0\u1ee3c trong c\u00e1c k\u1ef3 thi. Hy v\u1ecdng qua b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n \u0111\u00e3 n\u1eafm v\u1eefng c\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n \u0111\u1ec3 gi\u1ea3i quy\u1ebft b\u00e0i to\u00e1n gi\u1edbi h\u1ea1n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ef1 tin h\u01a1n. Mua m\u00e1y t\u00ednh c\u1ea7m tay ch\u00ednh h\u00e3ng t\u1ea1i Tiki \u2013 gi\u00e1 t\u1ed1t, b\u1ea3o h\u00e0nh r\u00f5 r\u00e0ng, giao nhanh \u0111\u1ec3 m\u1ecdi t\u00ednh to\u00e1n c\u1ee7a b\u1ea1n lu\u00f4n \u0111\u1ea1t \u0111\u1ed9 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i.<\/span><\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Th\u00e0nh th\u1ea1o c\u00e1ch b\u1ea5m lim tr\u00ean m\u00e1y t\u00ednh Casio s\u1ebd gi\u00fap h\u1ecdc sinh, sinh vi\u00ean ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c th\u1eddi gian qu\u00fd b\u00e1u trong c\u00e1c k\u1ef3 thi quan tr\u1ecdng nh\u01b0 k\u1ef3 thi T\u1ed1t nghi\u1ec7p THPT, t\u1eeb \u0111\u00f3 c\u00f3 th\u00eam th\u1eddi gian cho c\u00e1c c\u00e2u h\u1ecfi ph\u1ee9c t\u1ea1p h\u01a1n. H\u00e3y c\u00f9ng Tiki t\u00ecm hi\u1ec3u c\u00e1c b\u01b0\u1edbc th\u1ef1c [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":103739,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,4],"tags":[],"class_list":{"0":"post-103738","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-review-sach","8":"category-review-san-pham"},"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 b\u1ea5m lim tr\u00ean m\u00e1y t\u00ednh: H\u01b0\u1edbng d\u1eabn Casio v\u00e0 Vinacal chi ti\u1ebft<\/title>\n<meta name=\"description\" content=\"H\u01b0\u1edbng d\u1eabn b\u1ea5m lim tr\u00ean m\u00e1y t\u00ednh Casio v\u00e0 Vinacal chi ti\u1ebft cho c\u00e1c d\u1ea1ng x \u2192 a, x \u2192 \u00b1\u221e. 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