{"id":103985,"date":"2026-05-20T21:11:19","date_gmt":"2026-05-20T14:11:19","guid":{"rendered":"https:\/\/tiki.vn\/blog\/?p=103985"},"modified":"2026-05-20T21:11:19","modified_gmt":"2026-05-20T14:11:19","slug":"cach-bam-bat-phuong-trinh-casio","status":"publish","type":"post","link":"https:\/\/tiki.vn\/blog\/cach-bam-bat-phuong-trinh-casio\/","title":{"rendered":"C\u00e1ch b\u1ea5m b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh Casio 580VN X v\u00e0 570VN Plus chi ti\u1ebft"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Gi\u1ea3i b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ea1ng to\u00e1n quen thu\u1ed9c, th\u01b0\u1eddng xuy\u00ean xu\u1ea5t hi\u1ec7n trong c\u00e1c b\u00e0i ki\u1ec3m tra v\u00e0 k\u1ef3 thi quan tr\u1ecdng. Vi\u1ec7c s\u1eed d\u1ee5ng th\u00e0nh th\u1ea1o m\u00e1y t\u00ednh c\u1ea7m tay s\u1ebd gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 th\u1eddi gian v\u00e0 t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c. B\u00e0i vi\u1ebft n\u00e0y c\u1ee7a Tiki s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft t\u1eebng b\u01b0\u1edbc c\u00e1ch b\u1ea5m b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh tr\u00ean hai d\u00f2ng m\u00e1y Casio ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 fx-580VN X v\u00e0 fx-570VN Plus.<\/span><\/p>\n<h2><b><i>Nh\u1eefng \u0111i\u1ec3m ch\u00ednh<\/i><\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><i><span style=\"font-weight: 400;\">Gi\u1ea3i b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh b\u1eb1ng m\u00e1y t\u00ednh Casio gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian, t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u01b0\u1ee3c ph\u00e9p mang v\u00e0o ph\u00f2ng thi theo quy \u0111\u1ecbnh.<\/span><\/i><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><i><span style=\"font-weight: 400;\">Tr\u00ean m\u00e1y Casio fx-580VN X, v\u00e0o ch\u1ebf \u0111\u1ed9 gi\u1ea3i b\u1eb1ng c\u00e1ch nh\u1ea5n MENU \u2192 B, m\u00e1y h\u1ed7 tr\u1ee3 gi\u1ea3i \u0111\u1ebfn b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 4.<\/span><\/i><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><i><span style=\"font-weight: 400;\">V\u1edbi m\u00e1y Casio fx-570VN Plus, truy c\u1eadp ch\u1ebf \u0111\u1ed9 INEQ b\u1eb1ng ph\u00edm MODE \u2192 \u25bc \u2192 1, m\u00e1y h\u1ed7 tr\u1ee3 gi\u1ea3i t\u1ed1i \u0111a \u0111\u1ebfn b\u1eadc 3.<\/span><\/i><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><i><span style=\"font-weight: 400;\">Casio 580VN X v\u01b0\u1ee3t tr\u1ed9i v\u1edbi giao di\u1ec7n Ti\u1ebfng Vi\u1ec7t v\u00e0 t\u00ednh n\u0103ng \u0111a d\u1ea1ng, trong khi 570VN Plus l\u00e0 l\u1ef1a ch\u1ecdn kinh t\u1ebf, quen thu\u1ed9c.<\/span><\/i><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><i><span style=\"font-weight: 400;\">Khi nh\u1eadp h\u1ec7 s\u1ed1, n\u1ebfu h\u1ea1ng t\u1eed n\u00e0o b\u1ecb khuy\u1ebft, b\u1ea1n ch\u1ec9 c\u1ea7n nh\u1eadp h\u1ec7 s\u1ed1 c\u1ee7a h\u1ea1ng t\u1eed \u0111\u00f3 b\u1eb1ng 0 \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c.<\/span><\/i><\/li>\n<\/ul>\n<h2><b>1. L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c gi\u1ea3i b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh b\u1eb1ng m\u00e1y t\u00ednh c\u1ea7m tay<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng <\/span><a href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc\/c1922\"><span style=\"font-weight: 400;\">m\u00e1y t\u00ednh khoa h\u1ecdc<\/span><\/a><span style=\"font-weight: 400;\"> \u0111\u1ec3 gi\u1ea3i b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng c\u1ea7n thi\u1ebft, mang l\u1ea1i nhi\u1ec1u \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i trong h\u1ecdc t\u1eadp v\u00e0 c\u00e1c k\u1ef3 thi quan tr\u1ecdng. \u0110\u00e2y l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 h\u1ecdc t\u1eadp kh\u00f4ng th\u1ec3 thi\u1ebfu gi\u00fap t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh l\u00e0m b\u00e0i, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c b\u00e0i ki\u1ec3m tra c\u00f3 gi\u1edbi h\u1ea1n th\u1eddi gian.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ti\u1ebft ki\u1ec7m th\u1eddi gian t\u1ed1i \u0111a:<\/b><span style=\"font-weight: 400;\"> Thay v\u00ec ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc gi\u1ea3i th\u1ee7 c\u00f4ng ph\u1ee9c t\u1ea1p nh\u01b0 ph\u00e2n t\u00edch nh\u00e2n t\u1eed hay l\u1eadp b\u1ea3ng x\u00e9t d\u1ea5u, m\u00e1y t\u00ednh cho ra k\u1ebft qu\u1ea3 t\u1eadp nghi\u1ec7m ch\u00ednh x\u00e1c ch\u1ec9 trong v\u00e0i gi\u00e2y. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch khi l\u00e0m b\u00e0i thi tr\u1eafc nghi\u1ec7m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c cao:<\/b><span style=\"font-weight: 400;\"> Vi\u1ec7c gi\u1ea3i to\u00e1n b\u1eb1ng m\u00e1y gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c sai s\u00f3t t\u00ednh to\u00e1n kh\u00f4ng \u0111\u00e1ng c\u00f3, nh\u1ea5t l\u00e0 v\u1edbi c\u00e1c b\u00e0i to\u00e1n c\u00f3 h\u1ec7 s\u1ed1 l\u1ebb ho\u1eb7c nghi\u1ec7m ph\u1ee9c t\u1ea1p, \u0111\u1ea3m b\u1ea3o b\u1ea1n kh\u00f4ng m\u1ea5t \u0111i\u1ec3m oan.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>H\u1ed7 tr\u1ee3 ki\u1ec3m tra k\u1ebft qu\u1ea3:<\/b><span style=\"font-weight: 400;\"> Sau khi gi\u1ea3i tay, b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng m\u00e1y t\u00ednh \u0111\u1ec3 ki\u1ec3m tra l\u1ea1i \u0111\u00e1p \u00e1n m\u1ed9t c\u00e1ch nhanh ch\u00f3ng, t\u0103ng s\u1ef1 t\u1ef1 tin tr\u01b0\u1edbc khi n\u1ed9p b\u00e0i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u01b0\u1ee3c ph\u00e9p mang v\u00e0o ph\u00f2ng thi:<\/b><span style=\"font-weight: 400;\"> H\u1ea7u h\u1ebft c\u00e1c d\u00f2ng m\u00e1y t\u00ednh c\u00f3 ch\u1ee9c n\u0103ng gi\u1ea3i b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh nh\u01b0 <\/span><a href=\"https:\/\/tiki.vn\/thuong-hieu\/casio.html\"><span style=\"font-weight: 400;\">Casio<\/span><\/a><b> fx-580VN X<\/b><span style=\"font-weight: 400;\"> hay <\/span><b>fx-570VN Plus<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec1u n\u1eb1m trong danh m\u1ee5c \u0111\u01b0\u1ee3c B\u1ed9 Gi\u00e1o d\u1ee5c v\u00e0 \u0110\u00e0o t\u1ea1o cho ph\u00e9p, tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 \u0111\u1eafc l\u1ef1c trong c\u00e1c k\u1ef3 thi quan tr\u1ecdng.<\/span><\/li>\n<\/ul>\n<h2><b>2. H\u01b0\u1edbng d\u1eabn c\u00e1ch b\u1ea5m b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh tr\u00ean m\u00e1y t\u00ednh Casio fx-580VN X<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">D\u00f2ng m\u00e1y <\/span><b>Casio fx-580VN X<\/b><span style=\"font-weight: 400;\"> n\u1ed5i b\u1eadt v\u1edbi giao di\u1ec7n Ti\u1ebfng Vi\u1ec7t v\u00e0 menu d\u1ea1ng icon, gi\u00fap c\u00e1c thao t\u00e1c gi\u1ea3i to\u00e1n tr\u1edf n\u00ean tr\u1ef1c quan v\u00e0 d\u1ec5 d\u00e0ng h\u01a1n cho h\u1ecdc sinh, sinh vi\u00ean. \u0110\u00e2y \u0111\u01b0\u1ee3c xem l\u00e0 d\u00f2ng m\u00e1y t\u00ednh qu\u1ed1c d\u00e2n hi\u1ec7n nay nh\u1edd v\u00e0o hi\u1ec7u n\u0103ng m\u1ea1nh m\u1ebd v\u00e0 t\u00ednh n\u0103ng \u0111a d\u1ea1ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch b\u1ea5m b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh Casio fx-580VN X:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 1<\/b><span style=\"font-weight: 400;\">: Truy c\u1eadp ch\u1ee9c n\u0103ng b\u1eb1ng c\u00e1ch nh\u1ea5n MENU v\u00e0 t\u00ecm m\u1ee5c B. B\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh, ho\u1eb7c s\u1eed d\u1ee5ng ph\u00edm t\u1eaft b\u1eb1ng c\u00e1ch nh\u1ea5n MENU r\u1ed3i nh\u1ea5n ph\u00edm x\u207b\u00b9.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 2<\/b><span style=\"font-weight: 400;\">: L\u1ef1a ch\u1ecdn b\u1eadc \u0111a th\u1ee9c c\u1ea7n gi\u1ea3i b\u1eb1ng c\u00e1ch nh\u1ea5n ph\u00edm s\u1ed1 t\u01b0\u01a1ng \u1ee9ng t\u1eeb 2 \u0111\u1ebfn 4, t\u00f9y theo y\u00eau c\u1ea7u c\u1ee7a b\u00e0i to\u00e1n (b\u1eadc 2, b\u1eadc 3 ho\u1eb7c b\u1eadc 4).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 3<\/b><span style=\"font-weight: 400;\">: L\u1ef1a ch\u1ecdn m\u1ed9t trong b\u1ed1n d\u1ea1ng d\u1ea5u b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh (&gt;, &lt;, \u2265, \u2264), sau \u0111\u00f3 nh\u1eadp l\u1ea7n l\u01b0\u1ee3t c\u00e1c h\u1ec7 s\u1ed1 v\u00e0 nh\u1ea5n ph\u00edm = sau m\u1ed7i l\u1ea7n nh\u1eadp.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 4<\/b><span style=\"font-weight: 400;\">: Nh\u1ea5n = l\u1ea7n cu\u1ed1i c\u00f9ng \u0111\u1ec3 m\u00e1y t\u00ednh hi\u1ec3n th\u1ecb t\u1eadp nghi\u1ec7m.<\/span><\/li>\n<\/ul>\n<h2><b>3. H\u01b0\u1edbng d\u1eabn c\u00e1ch b\u1ea5m b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh tr\u00ean m\u00e1y t\u00ednh Casio fx-570VN Plus<\/b><\/h2>\n<p><b>Casio fx-570VN Plus<\/b><span style=\"font-weight: 400;\"> l\u00e0 d\u00f2ng m\u00e1y t\u00ednh quen thu\u1ed9c v\u1edbi nhi\u1ec1u th\u1ebf h\u1ec7 h\u1ecdc sinh nh\u1edd \u0111\u1ed9 b\u1ec1n v\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh. C\u00e1ch truy c\u1eadp ch\u1ebf \u0111\u1ed9 gi\u1ea3i b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh, hay c\u00f2n g\u1ecdi l\u00e0 ch\u1ebf \u0111\u1ed9 <\/span><b>INEQ (Inequality \u2013 thu\u1eadt ng\u1eef ch\u1ec9 b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh)<\/b><span style=\"font-weight: 400;\">, tr\u00ean d\u00f2ng m\u00e1y n\u00e0y c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t so v\u1edbi phi\u00ean b\u1ea3n 580VN X. C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 1<\/b><span style=\"font-weight: 400;\">: Nh\u1ea5n ph\u00edm MODE, sau \u0111\u00f3 nh\u1ea5n ph\u00edm m\u0169i t\u00ean xu\u1ed1ng (\u25bc) v\u00e0 ch\u1ecdn ph\u00edm s\u1ed1 1 \u0111\u1ec3 v\u00e0o ch\u1ebf \u0111\u1ed9 INEQ (Inequality).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 2<\/b><span style=\"font-weight: 400;\">: L\u1ef1a ch\u1ecdn gi\u1ea3i b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 2 (nh\u1ea5n ph\u00edm 1) ho\u1eb7c b\u1eadc 3 (nh\u1ea5n ph\u00edm 2), v\u00ec d\u00f2ng m\u00e1y n\u00e0y ch\u1ec9 h\u1ed7 tr\u1ee3 t\u1ed1i \u0111a \u0111\u1ebfn b\u1eadc 3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 3<\/b><span style=\"font-weight: 400;\">: S\u1eed d\u1ee5ng c\u00e1c ph\u00edm s\u1ed1 t\u1eeb 1 \u0111\u1ebfn 4 \u0111\u1ec3 ch\u1ecdn d\u1ea1ng d\u1ea5u b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh, sau \u0111\u00f3 nh\u1eadp \u0111\u1ea7y \u0111\u1ee7 c\u00e1c h\u1ec7 s\u1ed1 v\u00e0 nh\u1ea5n = sau m\u1ed7i h\u1ec7 s\u1ed1 \u0111\u1ec3 m\u00e1y hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3.<\/span><\/li>\n<\/ul>\n<h2><b>4. B\u1ea3ng so s\u00e1nh nhanh thao t\u00e1c gi\u1eefa Casio fx-580VN X v\u00e0 570VN Plus<\/b><\/h2>\n<table>\n<tbody>\n<tr>\n<td><b>Ti\u00eau ch\u00ed<\/b><\/td>\n<td><b>M\u00e1y t\u00ednh Casio fx-580VN X<\/b><\/td>\n<td><b>M\u00e1y t\u00ednh Casio fx-570VN Plus<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Thao t\u00e1c v\u00e0o ch\u1ebf \u0111\u1ed9<\/b><\/td>\n<td><b>MENU<\/b><span style=\"font-weight: 400;\"> -&gt; <\/span><b>B<\/b><\/td>\n<td><b>MODE<\/b><span style=\"font-weight: 400;\"> -&gt; <\/span><b>\u25bc<\/b><span style=\"font-weight: 400;\"> -&gt; <\/span><b>1<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>B\u1eadc BPT t\u1ed1i \u0111a<\/b><\/td>\n<td><span style=\"font-weight: 400;\">B\u1eadc 4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1eadc 3<\/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, icon tr\u1ef1c quan<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u1ebfng Anh, d\u1ea1ng danh s\u00e1ch<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3<\/b><\/td>\n<td><span style=\"font-weight: 400;\">R\u00f5 r\u00e0ng, \u0111\u00fang d\u1ea1ng t\u1eadp nghi\u1ec7m to\u00e1n h\u1ecdc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">K\u00fd hi\u1ec7u to\u00e1n h\u1ecdc, c\u1ea7n \u0111\u1ecdc hi\u1ec3u<\/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;\">Nhanh h\u01a1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><b>5. G\u1ee3i \u00fd c\u00e1c d\u00f2ng m\u00e1y t\u00ednh c\u00f3 ch\u1ee9c n\u0103ng gi\u1ea3i b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh t\u1ed1t nh\u1ea5t 2025<\/b><\/h2>\n<h3><b>5.1. M\u00e1y t\u00ednh khoa h\u1ecdc Casio FX-580VN X<\/b><\/h3>\n<p><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;\"> l\u00e0 d\u00f2ng m\u00e1y t\u00ednh khoa h\u1ecdc to\u00e0n di\u1ec7n v\u00e0 m\u1ea1nh m\u1ebd nh\u1ea5t hi\u1ec7n nay, \u0111\u01b0\u1ee3c xem l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u c\u1ee7a h\u1ecdc sinh THPT v\u00e0 sinh vi\u00ean. V\u1edbi 521 t\u00ednh n\u0103ng, s\u1ea3n ph\u1ea9m n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u00e1p \u1ee9ng to\u00e0n b\u1ed9 ch\u01b0\u01a1ng tr\u00ecnh gi\u00e1o d\u1ee5c m\u00e0 c\u00f2n h\u1ed7 tr\u1ee3 c\u00e1c d\u1ea1ng to\u00e1n cao c\u1ea5p, gi\u00fap ng\u01b0\u1eddi d\u00f9ng gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec3m n\u1ed5i b\u1eadt nh\u1ea5t c\u1ee7a d\u00f2ng m\u00e1y n\u00e0y l\u00e0 m\u00e0n h\u00ecnh LCD c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao, hi\u1ec3n th\u1ecb c\u00f4ng th\u1ee9c v\u00e0 k\u1ebft qu\u1ea3 r\u00f5 n\u00e9t nh\u01b0 s\u00e1ch gi\u00e1o khoa. T\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd c\u1ee7a m\u00e1y c\u0169ng v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c th\u1ebf h\u1ec7 tr\u01b0\u1edbc. \u0110\u1eb7c bi\u1ec7t, m\u00e1y h\u1ed7 tr\u1ee3 gi\u1ea3i b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh l\u00ean \u0111\u1ebfn b\u1eadc 4, gi\u1ea3i h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh 4 \u1ea9n, t\u00ednh to\u00e1n ma tr\u1eadn 4\u00d74 v\u00e0 vector. Giao di\u1ec7n ho\u00e0n to\u00e0n b\u1eb1ng Ti\u1ebfng Vi\u1ec7t l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf l\u1edbn, gi\u00fap h\u1ecdc sinh l\u00e0m quen v\u00e0 s\u1eed d\u1ee5ng th\u00e0nh th\u1ea1o d\u1ec5 d\u00e0ng h\u01a1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u1ea3n ph\u1ea9m n\u00e0y ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi h\u1ecdc sinh t\u1eeb l\u1edbp 10 tr\u1edf l\u00ean, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng b\u1ea1n theo \u0111u\u1ed5i c\u00e1c kh\u1ed1i ng\u00e0nh k\u1ef9 thu\u1eadt, kinh t\u1ebf v\u00e0 khoa h\u1ecdc t\u1ef1 nhi\u00ean \u1edf b\u1eadc \u0111\u1ea1i h\u1ecdc. \u0110\u00e2y l\u00e0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 x\u1ee9ng \u0111\u00e1ng cho c\u1ea3 qu\u00e3ng \u0111\u1eddi h\u1ecdc sinh, sinh vi\u00ean.<\/span><\/p>\n<h3><b>5.2. M\u00e1y t\u00ednh khoa h\u1ecdc Casio FX-570VN Plus (Th\u1ebf h\u1ec7 2)<\/b><\/h3>\n<p><a href=\"https:\/\/tiki.vn\/may-tinh-casio-fx570vnplus-2-tl-p34612056.html\"><span style=\"font-weight: 400;\">Casio FX-570VN Plus<\/span><\/a><span style=\"font-weight: 400;\"> th\u1ebf h\u1ec7 th\u1ee9 hai l\u00e0 phi\u00ean b\u1ea3n c\u1ea3i ti\u1ebfn c\u1ee7a d\u00f2ng m\u00e1y huy\u1ec1n tho\u1ea1i, gi\u1eef nguy\u00ean s\u1ef1 b\u1ec1n b\u1ec9 quen thu\u1ed9c nh\u01b0ng \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p \u0111\u00e1ng k\u1ec3 v\u1ec1 t\u1ed1c \u0111\u1ed9 v\u00e0 b\u1ed5 sung th\u00eam c\u00e1c t\u00ednh n\u0103ng c\u1ea7n thi\u1ebft. \u0110\u00e2y l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn an to\u00e0n v\u00e0 kinh t\u1ebf cho nh\u1eefng ai \u0111\u00e3 quen v\u1edbi giao di\u1ec7n c\u1ee7a d\u00f2ng m\u00e1y Casio c\u0169 nh\u01b0ng mu\u1ed1n c\u00f3 hi\u1ec7u n\u0103ng t\u1ed1t h\u01a1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u1ea3n ph\u1ea9m n\u1ed5i b\u1eadt v\u1edbi t\u1ed1c \u0111\u1ed9 gi\u1ea3i to\u00e1n nhanh h\u01a1n r\u00f5 r\u1ec7t so v\u1edbi phi\u00ean b\u1ea3n \u0111\u1ea7u ti\u00ean, gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian trong ph\u00f2ng thi. M\u00e1y h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c t\u00ednh n\u0103ng c\u01a1 b\u1ea3n v\u00e0 n\u00e2ng cao c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh ph\u1ed5 th\u00f4ng, bao g\u1ed3m gi\u1ea3i b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 2 v\u00e0 b\u1eadc 3, t\u00ecm t\u1ecda \u0111\u1ed9 \u0111\u1ec9nh Parabol, t\u00ednh t\u1ec9 s\u1ed1 (Ratio). Thi\u1ebft k\u1ebf ph\u00edm b\u1ea5m nh\u1ea1y, \u0111\u1ed9 b\u1ec1n cao c\u0169ng l\u00e0 m\u1ed9t \u0111i\u1ec3m c\u1ed9ng l\u1edbn, \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong nhi\u1ec1u n\u0103m.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u00f2ng m\u00e1y n\u00e0y \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p cho h\u1ecdc sinh c\u1ea5p 2 v\u00e0 c\u1ea5p 3, nh\u1eefng ng\u01b0\u1eddi c\u1ea7n m\u1ed9t chi\u1ebfc m\u00e1y quen thu\u1ed9c, \u0111\u00e1p \u1ee9ng \u0111\u1ee7 ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc v\u00e0 c\u00f3 gi\u00e1 th\u00e0nh h\u1ee3p l\u00fd. \u0110\u00e2y l\u00e0 c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 \u0111\u1eafc l\u1ef1c \u0111\u1ec3 chinh ph\u1ee5c c\u00e1c k\u1ef3 thi quan tr\u1ecdng.<\/span><\/p>\n<h3><b>5.3. M\u00e1y t\u00ednh Vinacal 680EX Plus<\/b><\/h3>\n<p><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;\"> l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn thay th\u1ebf m\u1ea1nh m\u1ebd \u0111\u1ebfn t\u1eeb th\u01b0\u01a1ng hi\u1ec7u <\/span><a href=\"https:\/\/tiki.vn\/thuong-hieu\/vinacal.html\"><span style=\"font-weight: 400;\">Vinacal<\/span><\/a><span style=\"font-weight: 400;\">, \u0111\u01b0\u1ee3c c\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh \u0111\u00e1nh gi\u00e1 cao nh\u1edd nhi\u1ec1u t\u00ednh n\u0103ng \u0111\u1ed9c quy\u1ec1n v\u00e0 h\u1eefu \u00edch. Chi\u1ebfc m\u00e1y n\u00e0y kh\u00f4ng ch\u1ec9 sao ch\u00e9p c\u00e1c t\u00ednh n\u0103ng c\u1ee7a Casio m\u00e0 c\u00f2n ph\u00e1t tri\u1ec3n th\u00eam nh\u1eefng ch\u1ee9c n\u0103ng \u0111\u1ed9c \u0111\u00e1o, ph\u1ee5c v\u1ee5 ri\u00eang cho c\u00e1c d\u1ea1ng to\u00e1n \u0111\u1eb7c th\u00f9 t\u1ea1i Vi\u1ec7t Nam.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a <\/span><b>Vinacal 680EX Plus<\/b><span style=\"font-weight: 400;\"> l\u00e0 giao di\u1ec7n Ti\u1ebfng Vi\u1ec7t, kh\u1ea3 n\u0103ng gi\u1ea3i b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 4 t\u01b0\u01a1ng t\u1ef1 <\/span><b>Casio 580VN X<\/b><span style=\"font-weight: 400;\">. Ngo\u00e0i ra, m\u00e1y c\u00f2n c\u00f3 nh\u1eefng t\u00ednh n\u0103ng \u0111\u1eb7c bi\u1ec7t nh\u01b0 t\u00ecm \u01b0\u1edbc chung l\u1edbn nh\u1ea5t, b\u1ed9i chung nh\u1ecf nh\u1ea5t, ph\u00e2n t\u00edch s\u1ed1 nguy\u00ean t\u1ed1, gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh ch\u1ee9a \u1ea9n X v\u1edbi ph\u00edm <\/span><b>CALC<\/b><span style=\"font-weight: 400;\"> c\u1ea3i ti\u1ebfn, v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng t\u00ecm gi\u1edbi h\u1ea1n (lim). V\u1ecf m\u00e1y ch\u1eafc ch\u1eafn, m\u00e0u s\u1eafc \u0111a d\u1ea1ng c\u0169ng l\u00e0 m\u1ed9t \u0111i\u1ec3m thu h\u00fat ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u1edbi nh\u1eefng t\u00ednh n\u0103ng n\u00e2ng cao n\u00e0y, <\/span><b>Vinacal 680EX Plus<\/b><span style=\"font-weight: 400;\"> l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho h\u1ecdc sinh, sinh vi\u00ean mu\u1ed1n kh\u00e1m ph\u00e1 v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c d\u1ea1ng to\u00e1n ph\u1ee9c t\u1ea1p, v\u01b0\u1ee3t ra ngo\u00e0i ch\u01b0\u01a1ng tr\u00ecnh s\u00e1ch gi\u00e1o khoa c\u01a1 b\u1ea3n, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c b\u1ea1n trong \u0111\u1ed9i tuy\u1ec3n h\u1ecdc sinh gi\u1ecfi.<\/span><\/p>\n<h3><b>5.4. M\u00e1y t\u00ednh khoa h\u1ecdc Casio FX-880BTG<\/b><\/h3>\n<p><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;\"> l\u00e0 d\u00f2ng m\u00e1y t\u00ednh th\u1ebf h\u1ec7 m\u1edbi nh\u1ea5t c\u1ee7a Casio, mang trong m\u00ecnh thi\u1ebft k\u1ebf hi\u1ec7n \u0111\u1ea1i v\u00e0 c\u00e1c t\u00ednh n\u0103ng \u0111\u1ed9t ph\u00e1, h\u01b0\u1edbng \u0111\u1ebfn vi\u1ec7c h\u1ecdc t\u1eadp m\u1ed9t c\u00e1ch tr\u1ef1c quan v\u00e0 t\u01b0\u01a1ng t\u00e1c h\u01a1n. \u0110\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 t\u00ednh to\u00e1n m\u00e0 c\u00f2n l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 h\u1ecdc t\u1eadp s\u00e1ng t\u1ea1o, ph\u00f9 h\u1ee3p v\u1edbi xu h\u01b0\u1edbng gi\u00e1o d\u1ee5c hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec3m nh\u1ea5n c\u1ee7a <\/span><b>FX-880BTG<\/b><span style=\"font-weight: 400;\"> l\u00e0 t\u00ednh n\u0103ng <\/span><b>Math Box<\/b><span style=\"font-weight: 400;\">, cho ph\u00e9p m\u00f4 ph\u1ecfng c\u00e1c th\u00ed nghi\u1ec7m x\u00e1c su\u1ea5t nh\u01b0 tung x\u00fac x\u1eafc, gieo \u0111\u1ed3ng xu. \u0110\u1eb7c bi\u1ec7t, m\u00e1y c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o m\u00e3 QR code t\u1eeb k\u1ebft qu\u1ea3 t\u00ednh to\u00e1n. Khi qu\u00e9t m\u00e3 QR n\u00e0y b\u1eb1ng smartphone, b\u1ea1n c\u00f3 th\u1ec3 xem \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1, bi\u1ec3u \u0111\u1ed3 th\u1ed1ng k\u00ea m\u1ed9t c\u00e1ch sinh \u0111\u1ed9ng, gi\u00fap hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 b\u1ea3n ch\u1ea5t c\u1ee7a b\u00e0i to\u00e1n. M\u00e1y c\u0169ng h\u1ed7 tr\u1ee3 gi\u1ea3i b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 4 v\u00e0 c\u00e1c t\u00ednh n\u0103ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi d\u00f2ng 580VN X.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u00f2ng m\u00e1y n\u00e0y l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn ho\u00e0n h\u1ea3o cho h\u1ecdc sinh c\u1ea5p 2, c\u1ea5p 3 y\u00eau th\u00edch c\u00f4ng ngh\u1ec7 v\u00e0 mong mu\u1ed1n c\u00f3 m\u1ed9t c\u00f4ng c\u1ee5 h\u1ecdc t\u1eadp t\u01b0\u01a1ng t\u00e1c, s\u00e1ng t\u1ea1o, gi\u00fap bi\u1ebfn nh\u1eefng con s\u1ed1 v\u00e0 c\u00f4ng th\u1ee9c kh\u00f4 khan tr\u1edf n\u00ean th\u00fa v\u1ecb v\u00e0 d\u1ec5 ti\u1ebfp thu h\u01a1n.<\/span><\/p>\n<h2><b>6. Mua m\u00e1y t\u00ednh Casio ch\u00ednh h\u00e3ng Bitex \u1edf \u0111\u00e2u uy t\u00edn, gi\u00e1 t\u1ed1t?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng m\u00e1y t\u00ednh kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn sai l\u1ec7ch k\u1ebft qu\u1ea3, \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn \u0111i\u1ec3m s\u1ed1 trong c\u00e1c k\u1ef3 thi. Tiki l\u00e0 \u0111\u1ecba ch\u1ec9 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 b\u1ea1n ch\u1ecdn mua m\u00e1y t\u00ednh c\u1ea7m tay ch\u00ednh h\u00e3ng do c\u00f4ng ty Bitex ph\u00e2n ph\u1ed1i \u0111\u1ed9c quy\u1ec1n t\u1ea1i Vi\u1ec7t Nam, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 quy\u1ec1n l\u1ee3i ng\u01b0\u1eddi ti\u00eau d\u00f9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Khi mua s\u1eafm t\u1ea1i gian h\u00e0ng <\/span><b>Tiki Trading<\/b><span style=\"font-weight: 400;\"> ho\u1eb7c c\u00e1c nh\u00e0 b\u00e1n uy t\u00edn tr\u00ean Tiki, b\u1ea1n s\u1ebd ho\u00e0n to\u00e0n y\u00ean t\u00e2m v\u1edbi nh\u1eefng cam k\u1ebft v\u00e0ng:<\/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;\"> M\u1ecdi s\u1ea3n ph\u1ea9m \u0111\u1ec1u c\u00f3 tem ch\u1ed1ng gi\u1ea3 Bitex d\u00e1n tr\u00ean th\u00e2n m\u00e1y, tem b\u1ea3o h\u00e0nh \u0111i\u1ec7n t\u1eed v\u00e0 s\u00e1ch h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng chi ti\u1ebft, \u0111\u1ea3m b\u1ea3o ngu\u1ed3n g\u1ed1c xu\u1ea5t x\u1ee9 r\u00f5 r\u00e0ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u1ea3o h\u00e0nh 7 n\u0103m:<\/b><span style=\"font-weight: 400;\"> \u0110\u00e2y l\u00e0 ch\u00ednh s\u00e1ch b\u1ea3o h\u00e0nh v\u01b0\u1ee3t tr\u1ed9i, v\u1edbi \u01b0u \u0111\u00e3i 1 \u0111\u1ed5i 1 trong n\u0103m \u0111\u1ea7u ti\u00ean \u0111\u1ed1i v\u1edbi c\u00e1c l\u1ed7i t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t, mang l\u1ea1i s\u1ef1 an t\u00e2m tuy\u1ec7t \u0111\u1ed1i trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>An t\u00e2m mua s\u1eafm:<\/b><span style=\"font-weight: 400;\"> Tiki cho ph\u00e9p b\u1ea1n m\u1edf h\u1ed9p ki\u1ec3m tra s\u1ea3n ph\u1ea9m khi nh\u1eadn h\u00e0ng. Ch\u00ednh s\u00e1ch \u0111\u1ed5i tr\u1ea3 mi\u1ec5n ph\u00ed v\u00e0 nhanh ch\u00f3ng n\u1ebfu s\u1ea3n ph\u1ea9m c\u00f3 l\u1ed7i ho\u1eb7c kh\u00f4ng \u0111\u00fang m\u00f4 t\u1ea3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Giao nhanh 2H:<\/b><span style=\"font-weight: 400;\"> D\u1ecbch v\u1ee5 TikiNOW gi\u00fap b\u1ea1n nh\u1eadn m\u00e1y ngay l\u1eadp t\u1ee9c ch\u1ec9 trong v\u00f2ng 2 gi\u1edd, \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c m\u00f9a thi c\u1eed g\u1ea5p r\u00fat khi b\u1ea1n c\u1ea7n m\u00e1y g\u1ea5p.<\/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<\/b><\/h2>\n<h3><b>7.1. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 tho\u00e1t kh\u1ecfi ch\u1ebf \u0111\u1ed9 gi\u1ea3i b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 quay v\u1ec1 ch\u1ebf \u0111\u1ed9 t\u00ednh to\u00e1n th\u00f4ng th\u01b0\u1eddng (COMP), b\u1ea1n ch\u1ec9 c\u1ea7n nh\u1ea5n <\/span><b>MENU<\/b><span style=\"font-weight: 400;\"> -&gt; <\/span><b>1<\/b><span style=\"font-weight: 400;\"> tr\u00ean m\u00e1y <\/span><b>Casio fx-580VN X<\/b><span style=\"font-weight: 400;\">, ho\u1eb7c nh\u1ea5n <\/span><b>MODE<\/b><span style=\"font-weight: 400;\"> -&gt; <\/span><b>1<\/b><span style=\"font-weight: 400;\"> tr\u00ean m\u00e1y <\/span><b>Casio fx-570VN Plus<\/b><span style=\"font-weight: 400;\">. Thao t\u00e1c n\u00e0y s\u1ebd \u0111\u01b0a m\u00e1y v\u1ec1 tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u \u0111\u1ec3 b\u1ea1n th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh kh\u00e1c.<\/span><\/p>\n<h3><b>7.2. T\u1ea1i sao m\u1ed9t s\u1ed1 d\u00f2ng m\u00e1y t\u00ednh kh\u00f4ng c\u00f3 ch\u1ebf \u0111\u1ed9 INEQ\/B\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Ch\u1ee9c n\u0103ng n\u00e0y ch\u1ec9 c\u00f3 tr\u00ean c\u00e1c d\u00f2ng m\u00e1y \u0111\u1eddi m\u1edbi nh\u01b0 <\/span><b>Casio fx-570VN Plus<\/b><span style=\"font-weight: 400;\">, <\/span><b>fx-580VN X<\/b><span style=\"font-weight: 400;\"> v\u00e0 c\u00e1c d\u00f2ng m\u00e1y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a c\u00e1c h\u00e3ng kh\u00e1c. C\u00e1c model c\u0169 h\u01a1n nh\u01b0 fx-570ES Plus, fx-500MS s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p t\u00ednh n\u0103ng n\u00e0y do h\u1ea1n ch\u1ebf v\u1ec1 ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m.<\/span><\/p>\n<h3><b>7.3. C\u00e1ch nh\u1eadp h\u1ec7 s\u1ed1 b\u1ecb khuy\u1ebft trong b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">N\u1ebfu m\u1ed9t b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh b\u1ecb khuy\u1ebft h\u1ea1ng t\u1eed (v\u00ed d\u1ee5: B\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh x\u00b2 \u2212 4 \u2265 0 b\u1ecb khuy\u1ebft h\u1ea1ng t\u1eed bx), b\u1ea1n ch\u1ec9 c\u1ea7n nh\u1eadp h\u1ec7 s\u1ed1 c\u1ee7a h\u1ea1ng t\u1eed \u0111\u00f3 b\u1eb1ng <\/span><b>0<\/b><span style=\"font-weight: 400;\">. Trong v\u00ed d\u1ee5 tr\u00ean, b\u1ea1n s\u1ebd nh\u1eadp a = 1, b = 0, v\u00e0 c = -4.<\/span><\/p>\n<h3><b>7.4. C\u00e1ch \u0111\u1ecdc k\u1ebft qu\u1ea3 nghi\u1ec7m tr\u00ean m\u00e1y t\u00ednh?<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>All Real Numbers:<\/b><span style=\"font-weight: 400;\"> C\u00f3 ngh\u0129a l\u00e0 b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh \u0111\u00fang v\u1edbi m\u1ecdi gi\u00e1 tr\u1ecb c\u1ee7a x, hay t\u1eadp nghi\u1ec7m l\u00e0 R.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>No Solution:<\/b><span style=\"font-weight: 400;\"> C\u00f3 ngh\u0129a l\u00e0 b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh v\u00f4 nghi\u1ec7m, t\u1eadp nghi\u1ec7m l\u00e0 r\u1ed7ng (\u2205).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>x &lt; A, B &lt; x:<\/b><span style=\"font-weight: 400;\"> C\u00f3 ngh\u0129a l\u00e0 t\u1eadp nghi\u1ec7m l\u00e0 h\u1ee3p c\u1ee7a hai kho\u1ea3ng (-\u221e; A) \u222a (B; +\u221e).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>A &lt; x &lt; B:<\/b><span style=\"font-weight: 400;\"> C\u00f3 ngh\u0129a l\u00e0 t\u1eadp nghi\u1ec7m l\u00e0 kho\u1ea3ng (A; B). D\u1ea5u &lt; ho\u1eb7c \u2264 s\u1ebd t\u01b0\u01a1ng \u1ee9ng v\u1edbi ngo\u1eb7c tr\u00f2n ho\u1eb7c ngo\u1eb7c vu\u00f4ng.<\/span><\/li>\n<\/ul>\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 ch\u1ee7 nh\u1eadt, 24\/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 ch\u1ee7 nh\u1eadt, 24\/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 ch\u1ee7 nh\u1eadt, 24\/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 ch\u1ee7 nh\u1eadt, 24\/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 ch\u1ee7 nh\u1eadt, 24\/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 ch\u1ee7 nh\u1eadt, 24\/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 ch\u1ee7 nh\u1eadt, 24\/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 ch\u1ee7 nh\u1eadt, 24\/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 7, 23\/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 ch\u1ee7 nh\u1eadt, 24\/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 ch\u1ee7 nh\u1eadt, 24\/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 ch\u1ee7 nh\u1eadt, 24\/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 ch\u1ee7 nh\u1eadt, 24\/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 7, 23\/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\/bam-tri-tuyet-doi-may-tinh-casio-580\/\"><span style=\"font-weight: 400;\">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<\/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<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/tiki.vn\/blog\/cach-lam-sach-may-tinh-cam-tay\/\"><span style=\"font-weight: 400;\">C\u00e1ch l\u00e0m s\u1ea1ch m\u00e1y t\u00ednh c\u1ea7m tay: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft, an to\u00e0n t\u1ea1i nh\u00e0<\/span><\/a><\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400;\">Vi\u1ec7c n\u1eafm v\u1eefng c\u00e1ch b\u1ea5m b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh tr\u00ean m\u00e1y t\u00ednh Casio s\u1ebd gi\u00fap b\u1ea1n t\u1ef1 tin h\u01a1n trong qu\u00e1 tr\u00ecnh h\u1ecdc v\u00e0 l\u00e0m b\u00e0i thi, t\u1ed1i \u01b0u h\u00f3a th\u1eddi gian v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c. Hy v\u1ecdng h\u01b0\u1edbng d\u1eabn chi ti\u1ebft t\u1eeb Tiki \u0111\u00e3 gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng th\u00e0nh th\u1ea1o t\u00ednh n\u0103ng h\u1eefu \u00edch n\u00e0y tr\u00ean c\u1ea3 hai d\u00f2ng m\u00e1y ph\u1ed5 bi\u1ebfn. 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.<\/span><\/i><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gi\u1ea3i b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ea1ng to\u00e1n quen thu\u1ed9c, th\u01b0\u1eddng xuy\u00ean xu\u1ea5t hi\u1ec7n trong c\u00e1c b\u00e0i ki\u1ec3m tra v\u00e0 k\u1ef3 thi quan tr\u1ecdng. Vi\u1ec7c s\u1eed d\u1ee5ng th\u00e0nh th\u1ea1o m\u00e1y t\u00ednh c\u1ea7m tay s\u1ebd gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 th\u1eddi gian v\u00e0 t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c. B\u00e0i vi\u1ebft n\u00e0y c\u1ee7a Tiki s\u1ebd [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":103986,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,4],"tags":[],"class_list":{"0":"post-103985","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 b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh Casio 580VN X v\u00e0 570VN Plus chi ti\u1ebft<\/title>\n<meta name=\"description\" content=\"B\u00e0i vi\u1ebft h\u01b0\u1edbng d\u1eabn c\u00e1ch b\u1ea5m b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh tr\u00ean m\u00e1y t\u00ednh Casio 580VN X v\u00e0 570VN Plus t\u1eebng b\u01b0\u1edbc. So s\u00e1nh ch\u1ee9c n\u0103ng, g\u1ee3i \u00fd m\u00e1y t\u00ednh khoa h\u1ecdc t\u1ed1t nh\u1ea5t 2025. T\u00ecm hi\u1ec3u ngay!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tiki.vn\/blog\/cach-bam-bat-phuong-trinh-casio\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1ch b\u1ea5m b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh Casio 580VN X v\u00e0 570VN Plus chi ti\u1ebft\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i vi\u1ebft h\u01b0\u1edbng d\u1eabn c\u00e1ch b\u1ea5m b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh tr\u00ean m\u00e1y t\u00ednh Casio 580VN X v\u00e0 570VN Plus t\u1eebng b\u01b0\u1edbc. So s\u00e1nh ch\u1ee9c n\u0103ng, g\u1ee3i \u00fd m\u00e1y t\u00ednh khoa h\u1ecdc t\u1ed1t nh\u1ea5t 2025. T\u00ecm hi\u1ec3u ngay!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tiki.vn\/blog\/cach-bam-bat-phuong-trinh-casio\/\" \/>\n<meta property=\"og:site_name\" content=\"TIKI\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-20T14:11:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2026\/05\/cach-bam-bat-phuong-trinh-casio-thumb.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Nguyen Vy\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nguyen Vy\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"14 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/tiki.vn\/blog\/cach-bam-bat-phuong-trinh-casio\/\",\"url\":\"https:\/\/tiki.vn\/blog\/cach-bam-bat-phuong-trinh-casio\/\",\"name\":\"C\u00e1ch b\u1ea5m b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh Casio 580VN X v\u00e0 570VN Plus chi ti\u1ebft\",\"isPartOf\":{\"@id\":\"https:\/\/tiki.vn\/blog\/#website\"},\"datePublished\":\"2026-05-20T14:11:19+00:00\",\"dateModified\":\"2026-05-20T14:11:19+00:00\",\"author\":{\"@id\":\"https:\/\/tiki.vn\/blog\/#\/schema\/person\/55cee1bbf6c1e221b3096d98d5c18321\"},\"description\":\"B\u00e0i vi\u1ebft h\u01b0\u1edbng d\u1eabn c\u00e1ch b\u1ea5m b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh tr\u00ean m\u00e1y t\u00ednh Casio 580VN X v\u00e0 570VN Plus t\u1eebng b\u01b0\u1edbc. 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