{"id":103982,"date":"2026-05-20T21:08:23","date_gmt":"2026-05-20T14:08:23","guid":{"rendered":"https:\/\/tiki.vn\/blog\/?p=103982"},"modified":"2026-05-20T21:08:23","modified_gmt":"2026-05-20T14:08:23","slug":"cach-bam-may-tinh-giai-phuong-trinh","status":"publish","type":"post","link":"https:\/\/tiki.vn\/blog\/cach-bam-may-tinh-giai-phuong-trinh\/","title":{"rendered":"C\u00e1ch b\u1ea5m m\u00e1y t\u00ednh gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh Casio 580, 570, 880 chi ti\u1ebft"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">G\u1eb7p kh\u00f3 kh\u0103n khi gi\u1ea3i c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ee9c t\u1ea1p trong gi\u1edd ki\u1ec3m tra ho\u1eb7c l\u00fac \u00f4n thi g\u1ea5p r\u00fat? Vi\u1ec7c b\u1ea5m m\u00e1y t\u00ednh th\u00e0nh th\u1ea1o kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m th\u1eddi gian m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n t\u1eebng b\u01b0\u1edbc c\u00e1ch b\u1ea5m m\u00e1y t\u00ednh gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh tr\u00ean c\u00e1c d\u00f2ng m\u00e1y Casio ph\u1ed5 bi\u1ebfn nh\u1ea5t, t\u1eeb ch\u1ebf \u0111\u1ed9 EQN quen thu\u1ed9c \u0111\u1ebfn ch\u1ee9c n\u0103ng SHIFT SOLVE m\u1ea1nh m\u1ebd.<\/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;\">Th\u00e0nh th\u1ea1o b\u1ea5m m\u00e1y t\u00ednh gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 l\u00e0m b\u00e0i, \u0111\u1ea3m b\u1ea3o ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i v\u00e0 l\u00e0 l\u1ee3i th\u1ebf l\u1edbn trong thi c\u1eed.<\/span><\/i><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><i><span style=\"font-weight: 400;\">Ch\u1ebf \u0111\u1ed9 EQN chuy\u00ean gi\u1ea3i nhanh ph\u01b0\u01a1ng tr\u00ecnh \u0111a th\u1ee9c v\u00e0 h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh, c\u00f3 kh\u1ea3 n\u0103ng t\u00ecm \u0111\u1ea7y \u0111\u1ee7 c\u00e1c nghi\u1ec7m, bao g\u1ed3m c\u1ea3 nghi\u1ec7m ph\u1ee9c.<\/span><\/i><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><i><span style=\"font-weight: 400;\">Ch\u1ee9c n\u0103ng SHIFT SOLVE (SOLVER) d\u00f2 nghi\u1ec7m linh ho\u1ea1t cho m\u1ecdi lo\u1ea1i ph\u01b0\u01a1ng tr\u00ecnh ph\u1ee9c t\u1ea1p, nh\u01b0ng m\u1ed7i l\u1ea7n ch\u1ec9 t\u00ecm ra m\u1ed9t nghi\u1ec7m g\u1ea7n \u0111\u00fang.<\/span><\/i><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><i><span style=\"font-weight: 400;\">B\u00e0i vi\u1ebft cung c\u1ea5p h\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc c\u00e1ch s\u1eed d\u1ee5ng hai ch\u1ebf \u0111\u1ed9 tr\u00ean c\u00e1c d\u00f2ng m\u00e1y Casio ph\u1ed5 bi\u1ebfn nh\u01b0 580VN X, 570VN Plus, 880BTG.<\/span><\/i><\/li>\n<\/ul>\n<h2><b>1. L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c th\u00e0nh th\u1ea1o b\u1ea5m m\u00e1y t\u00ednh gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y t\u00ednh c\u1ea7m tay \u0111\u1ec3 gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng m\u00e0 c\u00f2n l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf l\u1edbn trong h\u1ecdc t\u1eadp v\u00e0 thi c\u1eed. M\u00e1y gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 gi\u1ea3i to\u00e1n, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c b\u00e0i thi tr\u1eafc nghi\u1ec7m, cho ph\u00e9p b\u1ea1n d\u00e0nh nhi\u1ec1u th\u1eddi gian h\u01a1n cho nh\u1eefng c\u00e2u h\u1ecfi y\u00eau c\u1ea7u t\u01b0 duy s\u00e2u.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">H\u01a1n n\u1eefa, <\/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\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c g\u1ea7n nh\u01b0 tuy\u1ec7t \u0111\u1ed1i, c\u00f3 kh\u1ea3 n\u0103ng t\u00ecm ra c\u1ea3 nghi\u1ec7m ph\u1ee9c v\u00e0 nghi\u1ec7m v\u00f4 t\u1ec9, lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n c\u00e1c sai s\u00f3t c\u00f3 th\u1ec3 x\u1ea3y ra khi t\u00ednh to\u00e1n th\u1ee7 c\u00f4ng. \u0110\u00e2y c\u0169ng l\u00e0 c\u00f4ng c\u1ee5 ki\u1ec3m tra k\u1ebft qu\u1ea3 t\u1ef1 lu\u1eadn nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3, gi\u00fap h\u1ecdc sinh, sinh vi\u00ean t\u1ef1 tin h\u01a1n v\u00e0o \u0111\u00e1p \u00e1n c\u1ee7a m\u00ecnh.<\/span><\/p>\n<h2><b>2. Ph\u00e2n bi\u1ec7t 2 ch\u1ebf \u0111\u1ed9 gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh tr\u00ean m\u00e1y t\u00ednh Casio<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Tr\u00ean c\u00e1c d\u00f2ng m\u00e1y t\u00ednh <\/span><a href=\"https:\/\/tiki.vn\/thuong-hieu\/casio.html\"><span style=\"font-weight: 400;\">Casio<\/span><\/a><span style=\"font-weight: 400;\">, c\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 t\u00ecm nghi\u1ec7m c\u1ee7a m\u1ed9t ph\u01b0\u01a1ng tr\u00ecnh. Hi\u1ec3u r\u00f5 b\u1ea3n ch\u1ea5t v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u1ee7a t\u1eebng ph\u01b0\u01a1ng ph\u00e1p s\u1ebd gi\u00fap b\u1ea1n v\u1eadn d\u1ee5ng linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n, t\u1ed1i \u01b0u h\u00f3a th\u1eddi gian l\u00e0m b\u00e0i.<\/span><\/p>\n<h3><b>2.1. Ch\u1ebf \u0111\u1ed9 gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh v\u00e0 h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh (EQN\/Equation)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Ch\u1ee9c n\u0103ng <\/span><b>EQN<\/b><span style=\"font-weight: 400;\"> (vi\u1ebft t\u1eaft c\u1ee7a Equation, ngh\u0129a l\u00e0 ph\u01b0\u01a1ng tr\u00ecnh) l\u00e0 m\u1ed9t ch\u1ebf \u0111\u1ed9 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh s\u1eb5n trong m\u00e1y t\u00ednh \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c d\u1ea1ng ph\u01b0\u01a1ng tr\u00ecnh \u0111a th\u1ee9c v\u00e0 h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh tuy\u1ebfn t\u00ednh c\u00f3 c\u1ea5u tr\u00fac c\u1ed1 \u0111\u1ecbnh. V\u00ed d\u1ee5 nh\u01b0 ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc hai ax\u00b2 + bx + c = 0 hay h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh hai \u1ea9n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a ch\u1ebf \u0111\u1ed9 n\u00e0y l\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ef1c nhanh v\u00e0 kh\u1ea3 n\u0103ng tr\u1ea3 v\u1ec1 \u0111\u1ea7y \u0111\u1ee7 t\u1ea5t c\u1ea3 c\u00e1c nghi\u1ec7m, bao g\u1ed3m c\u1ea3 nghi\u1ec7m th\u1ef1c v\u00e0 nghi\u1ec7m ph\u1ee9c. \u0110\u1ed1i v\u1edbi c\u00e1c d\u00f2ng m\u00e1y \u0111\u1eddi m\u1edbi nh\u01b0 <\/span><b>Casio FX-580VN X<\/b><span style=\"font-weight: 400;\">, ch\u1ebf \u0111\u1ed9 n\u00e0y c\u00f2n cung c\u1ea5p th\u00eam th\u00f4ng tin v\u1ec1 \u0111i\u1ec3m c\u1ef1c tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1, r\u1ea5t h\u1eefu \u00edch trong vi\u1ec7c kh\u1ea3o s\u00e1t h\u00e0m s\u1ed1.<\/span><\/p>\n<h3><b>2.2. Ch\u1ee9c n\u0103ng d\u00f2 nghi\u1ec7m (SHIFT SOLVE \/ SOLVER)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Kh\u00e1c v\u1edbi EQN, ch\u1ee9c n\u0103ng <\/span><b>SHIFT SOLVE<\/b><span style=\"font-weight: 400;\"> (t\u1ed5 h\u1ee3p ph\u00edm ch\u1ee9c n\u0103ng ph\u1ee5 m\u00e0u v\u00e0ng v\u00e0 ph\u00edm CALC \u0111\u1ec3 k\u00edch ho\u1ea1t t\u00ednh n\u0103ng d\u00f2 nghi\u1ec7m) s\u1eed d\u1ee5ng m\u1ed9t thu\u1eadt to\u00e1n l\u1eb7p s\u1ed1 h\u1ecdc \u0111\u1ec3 t\u00ecm ra m\u1ed9t nghi\u1ec7m g\u1ea7n \u0111\u00fang c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh. \u0110i\u1ec3m m\u1ea1nh c\u1ee7a ch\u1ee9c n\u0103ng n\u00e0y l\u00e0 t\u00ednh linh ho\u1ea1t tuy\u1ec7t \u0111\u1ed1i, cho ph\u00e9p b\u1ea1n nh\u1eadp v\u00e0o m\u1ecdi lo\u1ea1i ph\u01b0\u01a1ng tr\u00ecnh, k\u1ec3 c\u1ea3 ph\u01b0\u01a1ng tr\u00ecnh m\u0169, logarit, l\u01b0\u1ee3ng gi\u00e1c hay ch\u1ee9a c\u0103n th\u1ee9c ph\u1ee9c t\u1ea1p.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean, ch\u1ee9c n\u0103ng n\u00e0y m\u1ed7i l\u1ea7n ch\u1ec9 d\u00f2 \u0111\u01b0\u1ee3c m\u1ed9t nghi\u1ec7m v\u00e0 k\u1ebft qu\u1ea3 ph\u1ee5 thu\u1ed9c v\u00e0o gi\u00e1 tr\u1ecb ban \u0111\u1ea7u b\u1ea1n cung c\u1ea5p. M\u00e1y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch khi b\u1ea1n c\u1ea7n t\u00ecm nhanh m\u1ed9t nghi\u1ec7m th\u1ef1c c\u1ee7a m\u1ed9t ph\u01b0\u01a1ng tr\u00ecnh kh\u00f4ng theo d\u1ea1ng chu\u1ea9n ho\u1eb7c khi c\u1ea7n ki\u1ec3m tra m\u1ed9t gi\u00e1 tr\u1ecb c\u00f3 ph\u1ea3i l\u00e0 nghi\u1ec7m hay kh\u00f4ng.<\/span><\/p>\n<h2><b>3. H\u01b0\u1edbng d\u1eabn gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh v\u00e0 h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh b\u1eb1ng ch\u1ebf \u0111\u1ed9 EQN<\/b><\/h2>\n<h3><b>3.1. Tr\u00ean m\u00e1y t\u00ednh Casio FX-580VN X v\u00e0 Vinacal 680EX Plus<\/b><\/h3>\n<h4><b>3.1.1. C\u00e1ch gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 2, 3, 4<\/b><\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 1:<\/b><span style=\"font-weight: 400;\"> T\u1eeb m\u00e0n h\u00ecnh ch\u00ednh, nh\u1ea5n <\/span><span style=\"font-weight: 400;\">MENU<\/span><span style=\"font-weight: 400;\">, sau \u0111\u00f3 ch\u1ecdn ph\u00edm <\/span><span style=\"font-weight: 400;\">9<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 v\u00e0o ch\u1ebf \u0111\u1ed9 Equation\/Func. Ti\u1ebfp t\u1ee5c ch\u1ecdn ph\u00edm <\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 v\u00e0o m\u1ee5c gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh \u0111a th\u1ee9c (Polynomial).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 2:<\/b><span style=\"font-weight: 400;\"> Ti\u1ebfp t\u1ee5c ch\u1ecdn ph\u00edm <\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 v\u00e0o m\u1ee5c gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh \u0111a th\u1ee9c (Polynomial). L\u1ef1a ch\u1ecdn b\u1eadc c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh b\u1ea1n c\u1ea7n gi\u1ea3i, t\u1eeb 2 \u0111\u1ebfn 4.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 3:<\/b><span style=\"font-weight: 400;\"> Nh\u1eadp l\u1ea7n l\u01b0\u1ee3t c\u00e1c h\u1ec7 s\u1ed1 c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh. Sau khi nh\u1eadp m\u1ed7i h\u1ec7 s\u1ed1, nh\u1ea5n ph\u00edm <\/span><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 x\u00e1c nh\u1eadn v\u00e0 chuy\u1ec3n sang h\u1ec7 s\u1ed1 ti\u1ebfp theo.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 4:<\/b><span style=\"font-weight: 400;\"> Sau khi nh\u1eadp \u0111\u1ee7 h\u1ec7 s\u1ed1, nh\u1ea5n <\/span><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\"> m\u1ed9t l\u1ea7n n\u1eefa \u0111\u1ec3 m\u00e1y t\u00ednh hi\u1ec3n th\u1ecb c\u00e1c nghi\u1ec7m x1, x2,\u2026 N\u1ebfu ti\u1ebfp t\u1ee5c nh\u1ea5n <\/span><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">, m\u00e1y s\u1ebd hi\u1ec3n th\u1ecb th\u00eam t\u1ecda \u0111\u1ed9 \u0111\u1ec9nh (v\u1edbi ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 2) ho\u1eb7c c\u00e1c \u0111i\u1ec3m c\u1ef1c \u0111\u1ea1i, c\u1ef1c ti\u1ec3u (v\u1edbi ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 3).<\/span><\/li>\n<\/ul>\n<h4><b>3.1.2. C\u00e1ch gi\u1ea3i h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh 2, 3, 4 \u1ea9n<\/b><\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 1:<\/b><span style=\"font-weight: 400;\"> Nh\u1ea5n <\/span><span style=\"font-weight: 400;\">MENU<\/span><span style=\"font-weight: 400;\">, sau \u0111\u00f3 ch\u1ecdn ph\u00edm <\/span><span style=\"font-weight: 400;\">9<\/span><span style=\"font-weight: 400;\"> (Equation\/Func) v\u00e0 ti\u1ebfp t\u1ee5c ch\u1ecdn ph\u00edm <\/span><span style=\"font-weight: 400;\">1<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 v\u00e0o ch\u1ebf \u0111\u1ed9 gi\u1ea3i h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh (Simul Equation).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 2:<\/b><span style=\"font-weight: 400;\"> Ch\u1ecdn s\u1ed1 l\u01b0\u1ee3ng \u1ea9n c\u1ee7a h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh, t\u1eeb 2 \u0111\u1ebfn 4.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 3:<\/b><span style=\"font-weight: 400;\"> Nh\u1eadp l\u1ea7n l\u01b0\u1ee3t c\u00e1c h\u1ec7 s\u1ed1 c\u1ee7a t\u1eebng ph\u01b0\u01a1ng tr\u00ecnh trong h\u1ec7. Sau m\u1ed7i h\u1ec7 s\u1ed1, nh\u1ea5n <\/span><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 x\u00e1c nh\u1eadn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 4:<\/b><span style=\"font-weight: 400;\"> Nh\u1ea5n <\/span><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\"> sau khi nh\u1eadp xong t\u1ea5t c\u1ea3 c\u00e1c h\u1ec7 s\u1ed1 \u0111\u1ec3 xem k\u1ebft qu\u1ea3 nghi\u1ec7m x, y, z,\u2026 c\u1ee7a h\u1ec7.<\/span><\/li>\n<\/ul>\n<h3><b>3.2. Tr\u00ean m\u00e1y t\u00ednh Casio FX-570VN Plus<\/b><\/h3>\n<h4><b>3.2.1. C\u00e1ch gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 2, 3<\/b><\/h4>\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 <\/span><span style=\"font-weight: 400;\">MODE<\/span><span style=\"font-weight: 400;\">, sau \u0111\u00f3 ch\u1ecdn ph\u00edm <\/span><span style=\"font-weight: 400;\">5<\/span><span style=\"font-weight: 400;\"> (EQN) \u0111\u1ec3 truy c\u1eadp ch\u1ee9c n\u0103ng gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 2:<\/b><span style=\"font-weight: 400;\"> M\u00e0n h\u00ecnh s\u1ebd hi\u1ec3n th\u1ecb c\u00e1c l\u1ef1a ch\u1ecdn. Ch\u1ecdn ph\u00edm <\/span><span style=\"font-weight: 400;\">3<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 2 (ax\u00b2+bx+c=0) ho\u1eb7c ph\u00edm <\/span><span style=\"font-weight: 400;\">4<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 3 (ax\u00b3+bx\u00b2+cx+d=0).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 3:<\/b><span style=\"font-weight: 400;\"> Nh\u1eadp c\u00e1c h\u1ec7 s\u1ed1 a, b, c,\u2026 t\u01b0\u01a1ng \u1ee9ng. Nh\u1ea5n <\/span><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\"> 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 <\/span><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\"> m\u1ed9t l\u1ea7n n\u1eefa \u0111\u1ec3 m\u00e1y hi\u1ec3n th\u1ecb c\u00e1c nghi\u1ec7m t\u00ecm \u0111\u01b0\u1ee3c.<\/span><\/li>\n<\/ul>\n<h4><b>3.2.2. C\u00e1ch gi\u1ea3i h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh 2, 3 \u1ea9n<\/b><\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 1:<\/b><span style=\"font-weight: 400;\"> Nh\u1ea5n <\/span><span style=\"font-weight: 400;\">MODE<\/span><span style=\"font-weight: 400;\">, sau \u0111\u00f3 ch\u1ecdn ph\u00edm <\/span><span style=\"font-weight: 400;\">5<\/span><span style=\"font-weight: 400;\"> (EQN).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 2:<\/b><span style=\"font-weight: 400;\"> Ch\u1ecdn ph\u00edm <\/span><span style=\"font-weight: 400;\">1<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 v\u00e0o ch\u1ebf \u0111\u1ed9 gi\u1ea3i h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh 2 \u1ea9n ho\u1eb7c ph\u00edm <\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> cho h\u1ec7 3 \u1ea9n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 3:<\/b><span style=\"font-weight: 400;\"> Nh\u1eadp c\u00e1c h\u1ec7 s\u1ed1 c\u1ee7a h\u1ec7 theo \u0111\u00fang th\u1ee9 t\u1ef1 v\u00e0 nh\u1ea5n <\/span><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 xem k\u1ebft qu\u1ea3 nghi\u1ec7m.<\/span><\/li>\n<\/ul>\n<h2><b>4. H\u01b0\u1edbng d\u1eabn d\u00f2 nghi\u1ec7m ph\u01b0\u01a1ng tr\u00ecnh b\u1eb1ng SHIFT SOLVE v\u00e0 SOLVER<\/b><\/h2>\n<h3><b>4.1. Ch\u1ee9c n\u0103ng SHIFT SOLVE tr\u00ean Casio FX-580VN X v\u00e0 570VN Plus<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 1:<\/b><span style=\"font-weight: 400;\"> \u1ede ch\u1ebf \u0111\u1ed9 t\u00ednh to\u00e1n th\u00f4ng th\u01b0\u1eddng (COMP), b\u1ea1n nh\u1eadp nguy\u00ean v\u0103n ph\u01b0\u01a1ng tr\u00ecnh c\u1ea7n gi\u1ea3i v\u00e0o m\u00e0n h\u00ecnh. \u0110\u1ec3 nh\u1eadp bi\u1ebfn X, s\u1eed d\u1ee5ng t\u1ed5 h\u1ee3p ph\u00edm <\/span><span style=\"font-weight: 400;\">ALPHA<\/span><span style=\"font-weight: 400;\"> v\u00e0 ph\u00edm <\/span><span style=\"font-weight: 400;\">)<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 2:<\/b><span style=\"font-weight: 400;\"> Sau khi nh\u1eadp xong, nh\u1ea5n t\u1ed5 h\u1ee3p ph\u00edm <\/span><span style=\"font-weight: 400;\">SHIFT<\/span><span style=\"font-weight: 400;\"> v\u00e0 <\/span><span style=\"font-weight: 400;\">CALC<\/span><span style=\"font-weight: 400;\"> (ch\u1eef SOLVE m\u00e0u v\u00e0ng).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 3:<\/b><span style=\"font-weight: 400;\"> M\u00e0n h\u00ecnh s\u1ebd hi\u1ec3n th\u1ecb \u201cSolve for X\u201d v\u00e0 y\u00eau c\u1ea7u b\u1ea1n nh\u1eadp m\u1ed9t gi\u00e1 tr\u1ecb ban \u0111\u1ea7u. \u0110\u00e2y l\u00e0 gi\u00e1 tr\u1ecb \u0111\u1ec3 m\u00e1y b\u1eaft \u0111\u1ea7u d\u00f2 nghi\u1ec7m. \u0110\u1ec3 t\u00ecm nghi\u1ec7m d\u01b0\u01a1ng, h\u00e3y nh\u1eadp m\u1ed9t s\u1ed1 d\u01b0\u01a1ng (v\u00ed d\u1ee5 0 ho\u1eb7c 10). \u0110\u1ec3 t\u00ecm nghi\u1ec7m \u00e2m, h\u00e3y nh\u1eadp m\u1ed9t s\u1ed1 \u00e2m (v\u00ed d\u1ee5 -5 ho\u1eb7c -20).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 4:<\/b><span style=\"font-weight: 400;\"> Nh\u1ea5n ph\u00edm <\/span><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 m\u00e1y b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh d\u00f2 t\u00ecm v\u00e0 tr\u1ea3 v\u1ec1 nghi\u1ec7m g\u1ea7n nh\u1ea5t v\u1edbi gi\u00e1 tr\u1ecb ban \u0111\u1ea7u b\u1ea1n cung c\u1ea5p.<\/span><\/li>\n<\/ul>\n<h3><b>4.2. Ch\u1ee9c n\u0103ng SOLVER tr\u00ean Casio FX-880BTG (giao di\u1ec7n Ti\u1ebfng Vi\u1ec7t)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a <\/span><b>Casio FX-880BTG<\/b><span style=\"font-weight: 400;\"> l\u00e0 giao di\u1ec7n ho\u00e0n to\u00e0n b\u1eb1ng Ti\u1ebfng Vi\u1ec7t, gi\u00fap c\u00e1c thao t\u00e1c tr\u1edf n\u00ean tr\u1ef1c quan v\u00e0 d\u1ec5 d\u00e0ng h\u01a1n bao gi\u1edd h\u1ebft, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p cho c\u00e1c b\u1ea1n h\u1ecdc sinh m\u1edbi l\u00e0m quen v\u1edbi m\u00e1y t\u00ednh khoa h\u1ecdc.<\/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 <\/span><span style=\"font-weight: 400;\">HOME<\/span><span style=\"font-weight: 400;\">, s\u1eed d\u1ee5ng c\u00e1c ph\u00edm \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ec3 di chuy\u1ec3n \u0111\u1ebfn m\u1ee5c \u201cPh\u01b0\u01a1ng tr\u00ecnh\u201d v\u00e0 nh\u1ea5n <\/span><span style=\"font-weight: 400;\">OK<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 2:<\/b><span style=\"font-weight: 400;\"> Ch\u1ecdn m\u1ee5c \u201cB\u1ed9 gi\u1ea3i\u201d (ch\u00ednh l\u00e0 ch\u1ee9c n\u0103ng Solver) v\u00e0 nh\u1ea5n <\/span><span style=\"font-weight: 400;\">OK<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 3:<\/b><span style=\"font-weight: 400;\"> Nh\u1eadp ph\u01b0\u01a1ng tr\u00ecnh b\u1ea1n c\u1ea7n gi\u1ea3i v\u00e0o m\u00e0n h\u00ecnh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u01b0\u1edbc 4:<\/b><span style=\"font-weight: 400;\"> Nh\u1ea5n <\/span><span style=\"font-weight: 400;\">EXE<\/span><span style=\"font-weight: 400;\">. M\u00e1y s\u1ebd y\u00eau c\u1ea7u b\u1ea1n nh\u1eadp gi\u00e1 tr\u1ecb ban \u0111\u1ea7u cho bi\u1ebfn x. Sau khi nh\u1eadp xong, ch\u1ecdn \u201cGi\u1ea3i\u201d v\u00e0 m\u00e1y s\u1ebd hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3.<\/span><\/li>\n<\/ul>\n<h2><b>5. B\u1ea3ng so s\u00e1nh nhanh t\u00ednh n\u0103ng gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 gi\u00fap b\u1ea1n c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan v\u00e0 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c chi\u1ebfc m\u00e1y t\u00ednh ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi nhu c\u1ea7u h\u1ecdc t\u1eadp, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh c\u00e1c t\u00ednh n\u0103ng gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh ch\u00ednh tr\u00ean ba d\u00f2ng m\u00e1y ph\u1ed5 bi\u1ebfn.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>T\u00ednh N\u0103ng<\/b><\/td>\n<td><b>Casio FX-570VN Plus<\/b><\/td>\n<td><b>Casio FX-580VN X<\/b><\/td>\n<td><b>Casio FX-880BTG<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 2, 3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">H\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh 2, 3 \u1ea9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">H\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh 4 \u1ea9n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9c n\u0103ng d\u00f2 nghi\u1ec7m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">SHIFT SOLVE<\/span><\/td>\n<td><span style=\"font-weight: 400;\">SHIFT SOLVE<\/span><\/td>\n<td><span style=\"font-weight: 400;\">SOLVER (Ti\u1ebfng Vi\u1ec7t)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u00ecm c\u1ef1c tr\u1ecb h\u00e0m s\u1ed1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Mua ch\u00ednh h\u00e3ng t\u1ea1i Tiki<\/b><\/td>\n<td><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;\">Mua ngay<\/span><\/a><\/td>\n<td><a href=\"https:\/\/tiki.vn\/may-tinh-casio-fx580vn-x-p104769768.html\"><span style=\"font-weight: 400;\">Mua ngay<\/span><\/a><\/td>\n<td><a href=\"https:\/\/tiki.vn\/may-tinh-casio-fx580vn-x-p104769768.html\"><span style=\"font-weight: 400;\">Mua ngay<\/span><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><b>6. \u0110\u1ecba ch\u1ec9 mua m\u00e1y t\u00ednh c\u1ea7m tay ch\u00ednh h\u00e3ng, y\u00ean t\u00e2m cho thi c\u1eed<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng m\u1ed9t chi\u1ebfc m\u00e1y t\u00ednh ch\u00ednh h\u00e3ng l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ecdi t\u00ednh to\u00e1n \u0111\u1ec1u ch\u00ednh x\u00e1c, m\u00e1y ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n b\u1ec9 trong su\u1ed1t nh\u1eefng n\u0103m h\u1ecdc v\u00e0 c\u00e1c k\u1ef3 thi quan tr\u1ecdng. L\u1ef1a ch\u1ecdn m\u1ed9t n\u01a1i mua s\u1eafm uy t\u00edn nh\u01b0 <\/span><b>Tiki<\/b><span style=\"font-weight: 400;\"> s\u1ebd gi\u00fap b\u1ea1n ho\u00e0n to\u00e0n an t\u00e2m v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Cam k\u1ebft 100% h\u00e0ng ch\u00ednh h\u00e3ng:<\/b><span style=\"font-weight: 400;\"> C\u00e1c s\u1ea3n ph\u1ea9m m\u00e1y t\u00ednh c\u1ea7m tay <\/span><b>Casio<\/b><span style=\"font-weight: 400;\">, <\/span><b>Vinacal<\/b><span style=\"font-weight: 400;\"> do Tiki Trading ph\u00e2n ph\u1ed1i \u0111\u1ec1u c\u00f3 \u0111\u1ea7y \u0111\u1ee7 tem ch\u1ed1ng gi\u1ea3 Bitex, tem b\u1ea3o h\u00e0nh v\u00e0 ngu\u1ed3n g\u1ed1c xu\u1ea5t x\u1ee9 r\u00f5 r\u00e0ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u01b0\u1ee3c m\u1edf h\u1ed9p ki\u1ec3m tra khi nh\u1eadn h\u00e0ng:<\/b><span style=\"font-weight: 400;\"> B\u1ea1n ho\u00e0n to\u00e0n c\u00f3 quy\u1ec1n ki\u1ec3m tra s\u1ea3n ph\u1ea9m, tem m\u00e1c, ph\u1ee5 ki\u1ec7n \u0111i k\u00e8m tr\u01b0\u1edbc khi thanh to\u00e1n, \u0111\u1ea3m b\u1ea3o nh\u1eadn \u0111\u00fang s\u1ea3n ph\u1ea9m m\u00ecnh \u0111\u00e3 \u0111\u1eb7t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u1ea3o h\u00e0nh ch\u00ednh h\u00e3ng d\u00e0i h\u1ea1n:<\/b><span style=\"font-weight: 400;\"> H\u01b0\u1edfng \u0111\u1ea7y \u0111\u1ee7 ch\u00ednh s\u00e1ch b\u1ea3o h\u00e0nh ch\u00ednh h\u00e3ng l\u00ean \u0111\u1ebfn 7 n\u0103m (t\u00f9y d\u00f2ng m\u00e1y), gi\u00fap b\u1ea1n y\u00ean t\u00e2m s\u1eed d\u1ee5ng l\u00e2u d\u00e0i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u1ed5i tr\u1ea3 mi\u1ec5n ph\u00ed v\u00e0 giao nhanh 2H:<\/b><span style=\"font-weight: 400;\"> Tiki c\u00f3 ch\u00ednh s\u00e1ch \u0111\u1ed5i tr\u1ea3 s\u1ea3n ph\u1ea9m l\u1ed7i linh ho\u1ea1t, mi\u1ec5n ph\u00ed v\u00e0 ti\u1ec7n l\u1ee3i. D\u1ecbch v\u1ee5 Giao Nhanh 2H gi\u00fap b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c m\u00e1y t\u00ednh c\u1ea5p t\u1ed1c, kh\u00f4ng l\u00e0m gi\u00e1n \u0111o\u1ea1n vi\u1ec7c h\u1ecdc.<\/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\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/b><\/h2>\n<h3><b>7.1. S\u1ef1 kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i gi\u1eefa ch\u1ebf \u0111\u1ed9 EQN v\u00e0 ch\u1ee9c n\u0103ng SOLVE l\u00e0 g\u00ec?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">EQN l\u00e0 ch\u1ebf \u0111\u1ed9 gi\u1ea3i t\u1ef1 \u0111\u1ed9ng c\u00e1c d\u1ea1ng ph\u01b0\u01a1ng tr\u00ecnh v\u00e0 h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh c\u00f3 c\u1ea5u tr\u00fac c\u1ed1 \u0111\u1ecbnh, lu\u00f4n t\u00ecm ra t\u1ea5t c\u1ea3 c\u00e1c nghi\u1ec7m (c\u1ea3 nghi\u1ec7m th\u1ef1c v\u00e0 ph\u1ee9c). Trong khi \u0111\u00f3, SOLVE\/SOLVER l\u00e0 c\u00f4ng c\u1ee5 d\u00f2 t\u00ecm m\u1ed9t nghi\u1ec7m g\u1ea7n \u0111\u00fang cho m\u1ecdi lo\u1ea1i ph\u01b0\u01a1ng tr\u00ecnh, k\u1ebft qu\u1ea3 ph\u1ee5 thu\u1ed9c v\u00e0o gi\u00e1 tr\u1ecb ban \u0111\u1ea7u do ng\u01b0\u1eddi d\u00f9ng nh\u1eadp.<\/span><\/p>\n<h3><b>7.2. M\u00e1y t\u00ednh Casio FX-880BTG c\u00f3 \u0111\u01b0\u1ee3c mang v\u00e0o ph\u00f2ng thi THPT Qu\u1ed1c gia kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00f3. Theo quy ch\u1ebf thi t\u1ed1t nghi\u1ec7p THPT m\u1edbi nh\u1ea5t c\u1ee7a B\u1ed9 Gi\u00e1o d\u1ee5c v\u00e0 \u0110\u00e0o t\u1ea1o, m\u00e1y t\u00ednh <\/span><b>Casio FX-880BTG<\/b><span style=\"font-weight: 400;\"> n\u1eb1m trong danh s\u00e1ch c\u00e1c lo\u1ea1i m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c ph\u00e9p mang v\u00e0o ph\u00f2ng thi v\u00ec kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng so\u1ea1n th\u1ea3o v\u0103n b\u1ea3n v\u00e0 kh\u00f4ng c\u00f3 th\u1ebb nh\u1edb \u0111\u1ec3 l\u01b0u tr\u1eef th\u00f4ng tin.<\/span><\/p>\n<h3><b>7.3. Khi m\u00e1y t\u00ednh b\u00e1o l\u1ed7i \u201cNo Real Roots\u201d ho\u1eb7c \u201cCan\u2019t Solve\u201d th\u00ec ph\u1ea3i l\u00e0m g\u00ec?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u201cNo Real Roots\u201d c\u00f3 ngh\u0129a l\u00e0 ph\u01b0\u01a1ng tr\u00ecnh kh\u00f4ng c\u00f3 nghi\u1ec7m th\u1ef1c, c\u00e1c nghi\u1ec7m c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh l\u00e0 s\u1ed1 ph\u1ee9c. \u0110\u00e2y l\u00e0 m\u1ed9t k\u1ebft qu\u1ea3 ho\u00e0n to\u00e0n b\u00ecnh th\u01b0\u1eddng. L\u1ed7i \u201cCan\u2019t Solve\u201d th\u01b0\u1eddng x\u1ea3y ra khi d\u00f9ng SHIFT SOLVE, c\u00f3 th\u1ec3 do ph\u01b0\u01a1ng tr\u00ecnh v\u00f4 nghi\u1ec7m ho\u1eb7c gi\u00e1 tr\u1ecb d\u00f2 ban \u0111\u1ea7u qu\u00e1 xa nghi\u1ec7m. B\u1ea1n n\u00ean th\u1eed l\u1ea1i v\u1edbi m\u1ed9t gi\u00e1 tr\u1ecb kh\u00e1c (v\u00ed d\u1ee5 0, 100, -100).<\/span><\/p>\n<h3><b>7.4. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 nh\u1eadp h\u1ec7 s\u1ed1 \u00e2m ho\u1eb7c ph\u00e2n s\u1ed1 v\u00e0o ph\u01b0\u01a1ng tr\u00ecnh?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 nh\u1eadp h\u1ec7 s\u1ed1 \u00e2m, b\u1ea1n s\u1eed d\u1ee5ng ph\u00edm d\u1ea5u \u00e2m <\/span><span style=\"font-weight: 400;\">(-)<\/span><span style=\"font-weight: 400;\"> n\u1eb1m b\u00ean c\u1ea1nh ph\u00edm <\/span><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">. \u0110\u1ec3 nh\u1eadp h\u1ec7 s\u1ed1 l\u00e0 ph\u00e2n s\u1ed1, b\u1ea1n s\u1eed d\u1ee5ng ph\u00edm ph\u00e2n s\u1ed1 c\u00f3 bi\u1ec3u t\u01b0\u1ee3ng hai \u00f4 vu\u00f4ng, nh\u1eadp t\u1eed s\u1ed1, d\u00f9ng ph\u00edm \u0111i\u1ec1u h\u01b0\u1edbng \u0111i xu\u1ed1ng \u0111\u1ec3 nh\u1eadp m\u1eabu s\u1ed1, sau \u0111\u00f3 nh\u1ea5n <\/span><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 x\u00e1c nh\u1eadn.<\/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 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\/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\/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<\/ul>\n<p><i><span style=\"font-weight: 400;\">Vi\u1ec7c n\u1eafm v\u1eefng c\u00e1ch b\u1ea5m m\u00e1y t\u00ednh gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng thi\u1ebft y\u1ebfu, gi\u00fap b\u1ea1n h\u1ecdc to\u00e1n hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ef1 tin h\u01a1n trong c\u00e1c k\u1ef3 thi. Hy v\u1ecdng b\u00e0i vi\u1ebft \u0111\u00e3 cung c\u1ea5p nh\u1eefng h\u01b0\u1edbng d\u1eabn r\u00f5 r\u00e0ng v\u00e0 h\u1eefu \u00edch. H\u00e3y ch\u1ecdn cho m\u00ecnh m\u1ed9t chi\u1ebfc m\u00e1y t\u00ednh ch\u00ednh h\u00e3ng t\u1ea1i Tiki \u0111\u1ec3 \u0111\u1ed3ng h\u00e0nh tr\u00ean con \u0111\u01b0\u1eddng chinh ph\u1ee5c ki\u1ebfn th\u1ee9c.<\/span><\/i><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>G\u1eb7p kh\u00f3 kh\u0103n khi gi\u1ea3i c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ee9c t\u1ea1p trong gi\u1edd ki\u1ec3m tra ho\u1eb7c l\u00fac \u00f4n thi g\u1ea5p r\u00fat? Vi\u1ec7c b\u1ea5m m\u00e1y t\u00ednh th\u00e0nh th\u1ea1o kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m th\u1eddi gian m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n t\u1eebng b\u01b0\u1edbc c\u00e1ch b\u1ea5m m\u00e1y [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":103983,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,4],"tags":[],"class_list":{"0":"post-103982","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 m\u00e1y t\u00ednh gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh Casio 580, 570, 880 chi ti\u1ebft<\/title>\n<meta name=\"description\" content=\"H\u01b0\u1edbng d\u1eabn c\u00e1ch b\u1ea5m m\u00e1y t\u00ednh gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh tr\u00ean Casio 580, 570, 880. T\u00ecm hi\u1ec3u chi ti\u1ebft c\u00e1c ch\u1ebf \u0111\u1ed9 EQN, SHIFT SOLVE cho b\u1eadc 2, 3, 4 v\u00e0 h\u1ec7. Xem 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-may-tinh-giai-phuong-trinh\/\" \/>\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 m\u00e1y t\u00ednh gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh Casio 580, 570, 880 chi ti\u1ebft\" \/>\n<meta property=\"og:description\" content=\"H\u01b0\u1edbng d\u1eabn c\u00e1ch b\u1ea5m m\u00e1y t\u00ednh gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh tr\u00ean Casio 580, 570, 880. T\u00ecm hi\u1ec3u chi ti\u1ebft c\u00e1c ch\u1ebf \u0111\u1ed9 EQN, SHIFT SOLVE cho b\u1eadc 2, 3, 4 v\u00e0 h\u1ec7. 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