C\u00e1ch \u0111\u00e1nh soi c\u1ea7u \u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i<\/span> <\/strong>l\u00e0 m\u1ed9t trong s\u1ed1 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i l\u00f4 \u0111\u1ec1 r\u1ea5t h\u1eefu \u00edch v\u1edbi t\u1ef7 l\u1ec7 tr\u00fang cao \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi ch\u01a1i, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y v\u1ec1 c\u01a1 b\u1ea3n th\u00ec n\u00f3 c\u00f3 \u0111\u1ed9 kh\u00f3 nh\u1ea5t \u0111\u1ecbnh cao h\u01a1n so v\u1edbi nh\u1eefng c\u00e1ch \u0111\u00e1nh l\u00f4 \u0111\u1ec1 kh\u00e1c.<\/p>\n \u0110\u1ec3 t\u00ecm hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1ch \u0111\u00e1nh \u0111\u1ec1 d\u1ec5 tr\u00fang theo \u0111\u1ea7u \u0111\u00edt khi\u00a0soi c\u1ea7u chu\u1ea9n<\/span><\/strong>, tr\u01b0\u1edbc h\u1ebft ch\u00fang t\u00f4i s\u1ebd c\u00f3 nh\u1eefng gi\u1ea3i th\u00edch \u0111\u01a1n gi\u1ea3n v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i n\u00e0y \u0111\u1ec3 \u0111\u1ed9c gi\u1ea3i n\u1eafm r\u00f5.<\/p>\n C\u00f3 2 c\u00e1ch ch\u01a1i \u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i ph\u1ed5 bi\u1ebfn hi\u1ec7n nay:<\/p>\n Nh\u01b0 c\u00e1ch b\u1ea1n \u0111\u00e3 bi\u1ebft \u0111\u1ec1 th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi cho 2 s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t s\u1ebd v\u1ec1 ng\u00e0y h\u00f4m \u0111\u00f3, s\u1ed1 h\u00e0ng ch\u1ee5c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ea7u \u0111\u1ec1, s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111u\u00f4i (\u0111\u00edt) \u0111\u1ec1.<\/p>\n \u2013 \u0110\u00e1nh \u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i l\u00e0 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u1ea7u \u0111\u1ec1 ho\u1eb7c x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111u\u00f4i \u0111\u1ec1 v\u1ec1 trong ng\u00e0y l\u00e0 bao nhi\u00eau.<\/p>\n Gi\u1ea3 s\u1eed k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 h\u00f4m nay v\u1ec1 l\u00e0 xxxAB, nh\u01b0 v\u1eady AB l\u00e0 s\u1ed1 \u0111\u1ec1, v\u1eady \u0111\u00e1nh \u0111\u1ea7u \u0111u\u00f4i s\u1ed1 \u0111\u1ec1 c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u00fang A v\u1ec1 \u0111\u1ea7u ho\u1eb7c x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c B s\u1ebd v\u1ec1 cu\u1ed1i.<\/p>\n VD: K\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 v\u1ec1 05468, n\u1ebfu b\u1ea1n d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c \u0111\u1ea7u 6 s\u1ebd v\u1ec1 t\u1ee9c l\u00e0 b\u1ea1n \u0111\u00e3 tr\u00fang \u0111\u1ea7u \u0111\u1ec1, t\u01b0\u01a1ng t\u1ef1 n\u1ebfu b\u1ea1n d\u1ef1 \u0111o\u00e1n 8 v\u1ec1 \u0111\u00edt t\u1ee9c l\u00e0 b\u1ea1n tr\u00fang s\u1ed1.<\/p>\n \u2013 D\u1ef1 \u0111o\u00e1n \u0111\u1ea7u \u0111u\u00f4i kh\u00f4ng c\u1ea7n ng\u01b0\u1eddi ch\u01a1i \u0111o\u00e1n tr\u00fang c\u1ea3 c\u1eb7p s\u1ed1 \u0111\u1ec1 s\u1ebd v\u1ec1.<\/p>\n Gi\u1ea3 s\u1eed k\u1ebft qu\u1ea3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u00f3 d\u1ea1ng s\u1ed1 l\u00e0 ABCDE (c\u00f3 th\u1ec3 c\u00e1c s\u1ed1 \u0111\u1ec1u tr\u00f9ng nhau), nh\u01b0 v\u1eady ta c\u00f3:<\/p>\n \u2013 N\u1ebfu ng\u01b0\u1eddi ch\u01a1i \u0111o\u00e1n tr\u00fang \u0111\u01b0\u1ee3c AB s\u1ebd v\u1ec1 \u0111\u1ea7u c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t t\u1ee9c l\u00e0 b\u1ea1n \u0111\u00e3 tr\u00fang \u0111\u1ec1 \u0111\u1ea7u.<\/p>\n \u2013 N\u1ebfu ng\u01b0\u1eddi ch\u01a1i \u0111o\u00e1n tr\u00fang \u0111\u01b0\u1ee3c DE s\u1ebd v\u1ec1 \u0111\u1ec1 th\u00ec t\u1ee9c l\u00e0 \u0111o\u00e1n tr\u00fang \u0111u\u00f4i \u0111\u1ec1 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t.<\/p>\n Nh\u01b0 v\u1eady \u0111\u1ec1 \u0111\u1ea7u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 2 s\u1ed1 xu\u1ea5t hi\u1ec7n t\u1ea1i v\u1ecb tr\u00ed s\u1ed1 1, s\u1ed1 2 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t (\u0111\u1ed1i v\u1edbi 3 mi\u1ec1n). \u0110\u1ec1 \u0111u\u00f4i l\u00e0 2 s\u1ed1 v\u1ecb tr\u00ed 4, 5 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t\u00a0c\u1ea7u MB<\/strong>; v\u1ecb tr\u00ed s\u1ed1 5, 6 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mi\u1ec1n Nam.<\/p>\n V\u1ec1 c\u01a1 b\u1ea3n th\u00ec hi\u1ec7n nay ch\u00fang ta m\u1edbi ch\u1ec9 c\u00f3 m\u1ed9t s\u1ed1 c\u00e1ch \u0111\u00e1nh \u0111\u1ec1 d\u1ec5 tr\u00fang nh\u1ea5t \u0111\u1ed1i v\u1edbi \u0111\u1ea7u \u0111u\u00f4i s\u1ed1 \u0111\u1ec1, \u00e1p d\u1ee5ng v\u1edbi t\u1eebng tr\u01b0\u1eddng h\u1ee3p tr\u00ean nh\u01b0 sau:<\/p>\n \u2013 V\u1ec1 c\u01a1 b\u1ea3n th\u00ec \u0111\u1ea7u \u0111\u00edt s\u1ed1 \u0111\u1ec1 ch\u1ec9 trong t\u1eadp h\u1ee3p 10 s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb bao g\u1ed3m: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, nh\u01b0 v\u1eady t\u1ef7 l\u1ec7 \u0103n c\u1ee7a ta s\u1ebd l\u00e0 1\/10, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 10% cho ri\u00eang \u0111\u1ea7u ho\u1eb7c ri\u00eang \u0111u\u00f4i \u0111\u1ec1.<\/p>\n \u2013 Nh\u01b0 v\u1eady ta s\u1eed d\u1ee5ng t\u1ed5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y h\u00f4m tr\u01b0\u1edbc \u0111\u1ec3 t\u00ednh \u0111\u1ea7u \u0111\u00edt \u0111\u1ec1 c\u1ee7a ng\u00e0y h\u00f4m nay.<\/p>\n VD: Ng\u00e0y 14\/7\/2024 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 79866, t\u1ed5ng l\u00e0 36 = 9 nh\u01b0 v\u1eady ta c\u00f3 c\u00e1c ch\u1ea1m \u0111\u1ea7u l\u00e0 9, 8, 7, 6, 5, 4, 3, 2, 1. \u0110u\u00f4i ng\u01b0\u1ee3c l\u1ea1i<\/p>\n Ng\u00e0y 15\/7\/2024 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 08181, \u0111\u1ea7u 8, \u0111\u00edt 1.<\/p>\n T\u1ed5ng \u0111\u1ec1 ng\u00e0y n\u00e0y l\u00e0 16 = 7, ta c\u00f3 c\u00e1c ch\u1ea1m \u0111\u1ea7u l\u00e0 7, 6, 5, 4, 3, 2, 1.<\/p>\n Ng\u00e0y 16\/7 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 l\u00e0 31039, \u0111\u1ea7u \u0111\u1ec1 3 v\u1ec1.<\/p>\n C\u00e1ch \u0111\u00e1nh \u0111\u1ea7u \u0111u\u00f4i trong s\u1ed1 \u0111\u1ec1 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 c\u01a1 b\u1ea3n th\u00ec \u0111u\u00f4i s\u1ebd d\u1ec5 t\u00ednh, \u0111\u1ea7u \u0111\u1ec1 th\u00ec kh\u00f3 x\u00e1c \u0111\u1ecbnh.<\/p>\n \u2013 N\u1ebfu th\u1ea5y \u0111\u1ea7u \u0111\u1ec1 v\u1ec1 k\u00e9p ho\u1eb7c 2 s\u1ed1 gi\u1eefa c\u00f3 k\u00e9p th\u00ec nh\u01b0 v\u1eady \u0111u\u00f4i c\u00f3 d\u1ea5u hi\u1ec7u v\u1ec1 k\u00e9p trong nh\u1eefng ng\u00e0y ti\u1ebfp theo.<\/p>\n VD:<\/strong>\u00a0 Ng\u00e0y 10\/7\/2024 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 32247, ng\u00e0y 14\/7 \u0111\u1ec1 \u0111u\u00f4i v\u1ec1 k\u00e9p 66.<\/p>\n \u2013 N\u1ebfu b\u1ea1n th\u1ea5y \u0111u\u00f4i gi\u1ea3i 7.1 v\u1edbi \u0111\u1ea7u c\u1ee7a gi\u1ea3i 7.4 tru\u0300ng nhau thi\u0300 c\u00f3 th\u1ec3 \u0111\u00e1nh k\u00e9p \u0111\u1ec1 nh\u1eefng ng\u00e0y ti\u1ebfp theo.<\/p>\n \u2013 \u0110\u00f4i khi n\u1ebfu th\u1ea5y \u0111u\u00f4i l\u00f4 c\u00e2m r\u1ed3i xu\u1ea5t hi\u1ec7n \u0111\u1ea7u c\u00e2m th\u00ec c\u00f3 th\u1ec3 \u0111\u1ec1 v\u1ec1 k\u00e9p, tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh, th\u01b0\u1eddng th\u00ec ch\u1ec9 v\u1ec1 l\u00f4 k\u00e9p.<\/p>\n C\u00e1ch\u00a0soi c\u1ea7u\u00a0\u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i d\u1ec5 tr\u00fang<\/span><\/strong>, hay \u0103n nh\u1ea5t hi\u1ec7n nay tr\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 tham kh\u1ea3o d\u00e0nh cho ng\u01b0\u1eddi ch\u01a1i \u0111\u00e1nh \u0111\u1ea7u \u0111u\u00f4i l\u00f4 \u0111\u1ec1. T\u00f9y theo ph\u01b0\u01a1ng ph\u00e1p ho\u1eb7c l\u1ef1a ch\u1ecdn c\u00e1ch ch\u01a1i, b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 m\u00ecnh t\u00ecm cho b\u1ea3n th\u00e2n c\u00e1ch \u0111\u00e1nh hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/p>\n<\/div>\n<\/article>\n<\/div>\n1. \u0110\u1ecbnh ngh\u0129a v\u1ec1 c\u00e1ch\u00a0Soi c\u1ea7u\u00a0\u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i:<\/strong><\/span><\/h2>\n
a. C\u00e1ch \u0111\u00e1nh \u0111\u1ea7u \u0111u\u00f4i trong s\u1ed1 \u0111\u1ec1<\/strong><\/h3>\n
b. C\u00e1ch \u0111\u00e1nh \u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/strong><\/h3>\n
2. C\u00e1ch soi c\u1ea7u \u0111\u00e1nh \u0111\u1ec1 d\u1ec5 tr\u00fang \u0111\u1ea7u \u0111u\u00f4i<\/strong><\/span><\/h2>\n
a. C\u00e1ch \u0111\u00e1nh \u0111\u1ec1 hay \u0103n \u0111\u1ea7u \u0111u\u00f4i s\u1ed1 \u0111\u1ec1<\/strong><\/h3>\n
b. C\u00e1ch \u0111\u00e1nh \u0111\u1ec1 hay nh\u1ea5t \u0103n \u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/strong><\/h3>\n
soi c\u1ea7u vip<\/span><\/span><\/strong><\/h2>\n