{"id":18081,"date":"2024-03-14T09:44:36","date_gmt":"2024-03-14T09:44:36","guid":{"rendered":"https:\/\/soicau2030.minhngocxoso.com\/?p=18081"},"modified":"2024-03-14T09:44:36","modified_gmt":"2024-03-14T09:44:36","slug":"de-cham-la-gi-dan-de-cham-chuan-nhat-2024","status":"publish","type":"post","link":"https:\/\/bachthudepnhat.com\/de-cham-la-gi-dan-de-cham-chuan-nhat-2024\/","title":{"rendered":"\u0111\u1ec1 ch\u1ea1m l\u00e0 g\u00ec? d\u00e0n \u0111\u1ec1 ch\u1ea1m chu\u1ea9n nh\u1ea5t 2024"},"content":{"rendered":"
\u0110\u1ed1i v\u1edbi anh em m\u1edbi ch\u01a1i l\u00f4 \u0111\u1ec1 x\u1ed5 s\u1ed1 th\u00ec kh\u00e1i ni\u1ec7m \u0111\u1ec1 ch\u1ea1m l\u00e0 g\u00ec c\u00f2n kh\u00e1 m\u1edbi m\u1ebb. Tuy nhi\u00ean \u0111\u00e2y l\u1ea1i l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i hay v\u00e0 \u0111\u1ed9c \u0111\u00e1o \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi \u00e1p d\u1ee5ng. C\u1ee5 th\u1ec3 \u0111\u1ec3 bi\u1ebft th\u00eam chi ti\u1ebft v\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y m\u1eddi b\u1ea1n theo d\u00f5i b\u00e0i chia s\u1ebb sau \u0111\u00e2y.<\/span><\/p>\n \u0110\u1ec1 ch\u1ea1m l\u00e0 g\u00ec? Kh\u00e1i ni\u1ec7m n\u00e0y t\u00f9y theo t\u1eebng v\u00f9ng mi\u1ec1n v\u1edbi c\u00e1ch ch\u01a1i kh\u00e1c nhau s\u1ebd c\u00f3 nh\u1eefng c\u00e1ch gi\u1ea3i th\u00edch t\u01b0\u01a1ng \u1ee9ng. Ch\u1ea1m \u0111\u1ec1 l\u00e0 nh\u1eefng con s\u1ed1 c\u00f3 c\u00f9ng \u00edt nh\u1ea5t 1 ch\u1eef s\u1ed1 gi\u1ed1ng nhau hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 d\u00ednh 1 s\u1ed1 theo d\u1ef1 \u0111o\u00e1n soi c\u1ea7u tr\u00f9ng v\u1edbi 2 s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y h\u00f4m \u0111\u00f3.<\/span><\/p>\n Trong ch\u1ea1m \u0111\u1ec1 ng\u01b0\u1eddi ch\u01a1i th\u01b0\u1eddng soi c\u1ea7u b\u1eaft d\u00e0n \u0111\u1ec1 ch\u1ea1m \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 th\u00e0nh c\u00f4ng t\u1ed1t nh\u1ea5t. C\u00f3 th\u1ec3 hi\u1ec3u kh\u00e1i ni\u1ec7m d\u00e0n ch\u1ea1m \u0111\u1ec1 l\u00e0 t\u1eadp h\u1ee3p nh\u1eefng con s\u1ed1 c\u00f3 2 ch\u1eef s\u1ed1 c\u00f3 m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m gi\u1ed1ng nhau v\u00ed d\u1ee5 nh\u01b0: Ch\u1ea1m 0 s\u1ebd c\u00f3 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a s\u1ed1 0 \u00edt nh\u1ea5t 1 l\u1ea7n nh\u01b0: 00, 01, 02, 03, 04\u2026<\/span><\/p>\n D\u00e0n ch\u1ea1m \u0111\u01b0\u1ee3c gh\u00e9p t\u1eeb t\u1eeb 10 ch\u1eef s\u1ed1 t\u1ef1 nhi\u00ean c\u00f3 m\u1ed9t ch\u1eef s\u1ed1 t\u1eeb 0 \u0111\u1ebfn 9 v\u00e0 chia th\u00e0nh c\u00e1c d\u00e0n ch\u1ea1m \u0111\u1ec1 t\u1eeb 0 \u0111\u1ebfn 9 hay c\u00f2n g\u1ecdi l\u00e0: D\u00e0n \u0111\u1ec1 ch\u1ea1m 0, ch\u1ea1m 1, ch\u1ea1m 2, ch\u1ea1m 3, ch\u1ea1m 4, ch\u1ea1m 5, ch\u1ea1m 6, ch\u1ea1m 7, ch\u1ea1m 8, ch\u1ea1m 9. Ho\u1eb7c \u1edf m\u1ed9t s\u1ed1 \u0111\u1ecba ph\u01b0\u01a1ng ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 g\u1ecdi l\u00e0 d\u00e0n \u0111\u1ec1 con 0, 1, 2, 3, 4, 5, 6, 7, 8 , 9. Nh\u01b0ng nh\u00ecn chung \u0111\u1ec1 \u0111\u1ec1 ch\u1ec9 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 c\u00f3 \u00edt nh\u1ea5t 1 l\u1ea7n xu\u1ea5t hi\u1ec7n trong c\u1eb7p s\u1ed1 \u0111\u1ec1.<\/span><\/p>\n Sau khi t\u00ecm hi\u1ec3u \u0111\u1ec1 ch\u1ea1m l\u00e0 g\u00ec ch\u00fang ta c\u00f9ng t\u00ecm hi\u1ec3u d\u00e0n \u0111\u1ec1 ch\u1ea1m c\u00f3 bao nhi\u00eau con s\u1ed1. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 th\u1ed1ng k\u00ea th\u1ed1ng k\u00ea ch\u1ea1m s\u1ed1 \u0111\u1eb7c bi\u1ec7t t\u1eeb 0 \u2013 9 \u0111\u1ec3 ng\u01b0\u1eddi ch\u01a1i hi\u1ec3u r\u00f5.<\/span><\/p>\n \u2013 B\u1ed9 \u0111\u1ec1 ch\u1ea1m 0 l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p nh\u1eefng s\u1ed1 c\u00f3 1 ch\u1eef s\u1ed1 0 xu\u1ea5t hi\u1ec7n \u00edt nh\u1ea5t 1 l\u1ea7n.<\/span><\/p>\n \u2013 D\u00e0n \u0111\u1ec1 ch\u1ea1m 0 bao g\u1ed3m c\u00f3 19 s\u1ed1 sau: 00, 01, 10, 02, 20, 03, 30, 04, 40, 05, 50, 06, 60, 07, 70, 08, 80, 09, 90.<\/span><\/p>\n \u2013 B\u1ed9 \u0111\u1ec1 ch\u1ea1m 1 l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p b\u1ed9 s\u1ed1 m\u00e0 c\u00e1c con s\u1ed1 c\u00f3 m\u1ed9t con s\u1ed1 1 xu\u1ea5t hi\u1ec7n \u00edt nh\u1ea5t 1 l\u1ea7n.<\/span><\/p>\n \u2013 D\u00e0n \u0111\u1ec1 ch\u1ea1m 1 bao g\u1ed3m c\u00f3 19 s\u1ed1 sau: 01, 10, 11, 12, 21, 13, 31, 14, 41, 15, 51, 16, 61, 17, 71, 18, 81, 19, 91<\/span><\/p>\n \u2013 B\u1ed9 \u0111\u1ec1 ch\u1ea1m 2 l\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 c\u00f3 con s\u1ed1 2 xu\u1ea5t hi\u1ec7n \u00edt nh\u1ea5t 1 l\u1ea7n.<\/span><\/p>\n \u2013 D\u00e0n \u0111\u1ec1 ch\u1ea1m 2 bao g\u1ed3m c\u00f3 19 s\u1ed1 sau: 02, 20, 22, 23, 32, 24, 42, 25, 52, 26, 62, 27, 72, 28, 82, 29, 92<\/span><\/p>\n \u2013 B\u1ed9 \u0111\u1ec1 ch\u1ea1m 3 l\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean c\u00f3 2 ch\u1eef s\u1ed1 m\u00e0 con s\u1ed1 3 xu\u1ea5t hi\u1ec7n \u00edt nh\u1ea5t 1 l\u1ea7n.<\/span><\/p>\n \u2013 D\u00e0n \u0111\u1ec1 ch\u1ea1m 3 bao g\u1ed3m c\u00f3 19 s\u1ed1 sau: 03, 30, 33, 31, 13, 32, 23, 34, 43, 35, 53, 36, 63, 37, 73, 38, 83, 39, 93<\/span><\/p>\n \u2013 B\u1ed9 \u0111\u1ec1 ch\u1ea1m 4 l\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean c\u00f3 2 ch\u1eef s\u1ed1 m\u00e0 c\u00f3 con s\u1ed1 4 xu\u1ea5t hi\u1ec7n \u00edt nh\u1ea5t 1 l\u1ea7n.<\/span><\/p>\n \u2013 D\u00e0n \u0111\u1ec1 ch\u1ea1m 4 bao g\u1ed3m c\u00f3 19 s\u1ed1 sau: 04, 40, 41, 14, 24, 42, 34, 43, 44, 45, 54, 46, 64, 47, 74, 48, 84, 49, 94<\/span><\/p>\n \u2013 B\u1ed9 \u0111\u1ec1 ch\u1ea1m 5 l\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean c\u00f3 2 ch\u1eef s\u1ed1 m\u00e0 c\u00f3 con s\u1ed1 5 xu\u1ea5t hi\u1ec7n \u00edt nh\u1ea5t 1 l\u1ea7n.<\/span><\/p>\n \u2013 D\u00e0n \u0111\u1ec1 ch\u1ea1m 5 bao g\u1ed3m c\u00f3 19 s\u1ed1 sau: 05, 50, 15, 51, 25, 52, 35, 53, 45, 54, 55, 56, 65, 57, 75, 58, 85, 59, 95<\/span><\/p>\n \u2013 B\u1ed9 \u0111\u1ec1 ch\u1ea1m 6 l\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean c\u00f3 2 ch\u1eef s\u1ed1 m\u00e0 c\u00f3 con s\u1ed1 6 xu\u1ea5t hi\u1ec7n \u00edt nh\u1ea5t 1 l\u1ea7n.<\/span><\/p>\n \u2013 D\u00e0n \u0111\u1ec1 ch\u1ea1m 6 bao g\u1ed3m c\u00f3 19 s\u1ed1 sau: 06, 60, 16, 61, 26, 62, 36, 63, 46, 64, 56, 65, 66, 67, 76, 68, 86, 69, 96<\/span><\/p>\n \u2013 B\u1ed9 \u0111\u1ec1 ch\u1ea1m 7 l\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean c\u00f3 2 ch\u1eef s\u1ed1 m\u00e0 c\u00f3 con s\u1ed1 7 xu\u1ea5t hi\u1ec7n \u00edt nh\u1ea5t 1 l\u1ea7n.<\/span><\/p>\n \u2013 D\u00e0n \u0111\u1ec1 ch\u1ea1m 7 bao g\u1ed3m c\u00f3 19 s\u1ed1 sau: 07, 70, 17, 71, 27, 72, 37, 73, 47, 74, 57, 75, 67, 76, 77, 78, 87, 79, 97<\/span><\/p>\n \u2013 B\u1ed9 \u0111\u1ec1 ch\u1ea1m 8 l\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean c\u00f3 2 ch\u1eef s\u1ed1 m\u00e0 c\u00f3 con s\u1ed1 8 xu\u1ea5t hi\u1ec7n \u00edt nh\u1ea5t 1 l\u1ea7n.<\/span><\/p>\n \u2013 D\u00e0n \u0111\u1ec1 ch\u1ea1m 8 bao g\u1ed3m c\u00f3 19 s\u1ed1 sau: 08, 80, 18, 81, 28, 82, 38, 83, 48, 84, 58, 85, 68, 86, 78, 87, 88, 89, 98<\/span><\/p>\n \u2013 B\u1ed9 \u0111\u1ec1 ch\u1ea1m 9 c\u00f3 con s\u1ed1 9 xu\u1ea5t hi\u1ec7n \u00edt nh\u1ea5t 1 l\u1ea7n.<\/span><\/p>\n \u2013 D\u00e0n \u0111\u1ec1 ch\u1ea1m 9 bao g\u1ed3m c\u00f3 19 s\u1ed1 sau: 09, 90, 19, 91, 29, 92, 39, 93, 49, 94, 59, 95, 69, 96, 79, 97, 89, 98, 99<\/span><\/p>\n T\u1eeb \u0111\u00f3 ch\u00fang ta c\u00f3 th\u1ec3 th\u1ea5y m\u1ed7i d\u00e0n ch\u1ea1m \u0111\u1ec1 s\u1ebd xu\u1ea5t hi\u1ec7n 19 con s\u1ed1 c\u00f3 xu\u1ea5t hi\u1ec7n \u00edt nh\u1ea5t m\u1ed9t l\u1ea7n s\u1ed1 ch\u1ea1m \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0 ch\u1ea1m \u0111\u1ea7u ho\u1eb7c ch\u1ea1m s\u1ed1 \u0111u\u00f4i v\u00e0 vi\u1ec7c b\u1eaft d\u00e0n \u0111\u1eb7c bi\u1ec7t theo s\u1ebd l\u00e0 c\u00e1ch d\u1ef1 \u0111o\u00e1n 19 \u0111\u1ec1 ch\u1ea1m h\u00f4m nay, ng\u00e0y mai hay trong tu\u1ea7n s\u1ebd v\u1ec1.<\/span><\/p>\n C\u00e1ch ch\u01a1i \u0111\u1ec1 ch\u1ea1m l\u00e0 g\u00ec? C\u00e1ch ch\u01a1i \u0111\u1ec1 ch\u1ea1m kh\u00e1 l\u00e0 ph\u1ee9c t\u1ea1p ng\u01b0\u1eddi ch\u01a1i s\u1ebd b\u1eaft t\u1ed5ng c\u1ea3 19 con \u0111\u1ec1 ch\u1ea1m nh\u01b0ng c\u00f3 th\u1ec3 v\u1eabn \u0111\u01b0\u1ee3c xem l\u00e0 20 s\u1ed1 b\u1edfi \u0111\u00f3 l\u00e0 c\u00e1ch ch\u1ea1m \u0111\u1ea7u v\u00e0 ch\u1ea1m \u0111u\u00f4i. Trong \u0111\u00f3, t\u00f9y v\u00e0o quy \u01b0\u1edbc c\u00e1ch ch\u01a1i ch\u1ea1m \u0111\u1ec1 trong l\u00f4 \u0111\u1ec1 x\u1ed5 s\u1ed1 l\u00e0 19 c\u00f2n (b\u1ecf 1 l\u00f4 \u0111\u1ec1 k\u00e9p) ho\u1eb7c d\u00e0n \u0111\u1ec1 ch\u1ea1m 20 con t\u00ednh con \u0111\u1ec1 k\u00e9p 2 l\u1ea7n.<\/span><\/p>\n V\u00ec v\u1eady t\u00f9y thu\u1ed9c v\u00e0o c\u00e1ch ch\u01a1i m\u00e0 m\u1ed7i m\u1ed9t khu v\u1ef1c s\u1ebd c\u00f3 m\u1ed9t c\u00e1ch t\u00ednh \u0111\u1ec1 ch\u1ea1m kh\u00e1c nhau. Nh\u01b0ng n\u1ebfu ch\u1ea1m \u0111\u1ec1 v\u1ec1 k\u00e9p th\u00ec c\u00f3 th\u1ec3 t\u00ednh 1 l\u1ea7n nh\u01b0 c\u00e1c con kh\u00e1c n\u1ebfu ch\u01a1i 19 con. C\u00f2n n\u1ebfu ch\u01a1i d\u00e0n \u0111\u1ec1 ch\u1ea1m 20 c\u00f2n c\u00e1c s\u1ed1 \u0111\u1ec1 k\u00e9p v\u1ec1 s\u1ebd c\u00f3 ch\u1ea1m xu\u1ea5t hi\u1ec7n 2 l\u1ea7n n\u00ean khi tr\u00fang t\u00ednh ti\u1ec1n \u0111\u1ec1 ch\u1ea1m \u0103n \u0111\u1ec1 k\u00e9p s\u1ebd g\u1ea5p 2 l\u1ea7n.<\/span><\/p>\n V\u00ed d\u1ee5: N\u1ebfu \u0111\u00e1nh 100k theo khung \u0111\u1ec1 ch\u1ea1m 2 n\u1ebfu \u0111\u1ec1 v\u1ec1 22 th\u00ec s\u1ebd tr\u00fang 200 \u0111i\u1ec3m thay v\u00ec 100 \u0111i\u1ec3m.<\/span><\/p>\n Tr\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 th\u00f4ng tin li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u00ecm hi\u1ec3u \u0111\u1ec1 ch\u1ea1m l\u00e0 g\u00ec? Hy v\u1ecdng nh\u1eefng th\u00f4ng tin m\u00e0 ch\u00fang t\u00f4i chia s\u1ebb \u0111\u00e3 gi\u00fap \u00edch cho b\u1ea1n \u0111\u1ecdc.<\/span><\/p>\n\u0110\u1ec1 ch\u1ea1m l\u00e0 g\u00ec?<\/span><\/h2>\n
D\u00e0n \u0111\u1ec1 ch\u1ea1m bao nhi\u00eau con s\u1ed1, nh\u1eefng s\u1ed1 n\u00e0o<\/span><\/h2>\n
<\/p>\n
\u0110\u1ec1 ch\u1ea1m 0 l\u00e0 g\u00ec?<\/span><\/h3>\n
\u0110\u1ec1 ch\u1ea1m 1 l\u00e0 g\u00ec?<\/span><\/h3>\n
\u0110\u1ec1 ch\u1ea1m 2 l\u00e0 g\u00ec?<\/span><\/h3>\n
\u0110\u1ec1 ch\u1ea1m 3 l\u00e0 g\u00ec?<\/span><\/h3>\n
\u0110\u1ec1 ch\u1ea1m 4 l\u00e0 g\u00ec?<\/span><\/h3>\n
<\/p>\n
\u0110\u1ec1 ch\u1ea1m 5 l\u00e0 g\u00ec?<\/span><\/h3>\n
\u0110\u1ec1 ch\u1ea1m 6 l\u00e0 g\u00ec?<\/span><\/h3>\n
\u0110\u1ec1 ch\u1ea1m 7 l\u00e0 g\u00ec?<\/span><\/h3>\n
\u0110\u1ec1 ch\u1ea1m 8 l\u00e0 g\u00ec?<\/span><\/h3>\n
<\/p>\n
\u0110\u1ec1 ch\u1ea1m 9 l\u00e0 g\u00ec?<\/span><\/h3>\n
C\u00e1ch ch\u01a1i \u0111\u1ec1 ch\u1ea1m \u0103n bao nhi\u00eau<\/span><\/h2>\n
c\u1ea7u \u0111\u1eb9p cao c\u1ea5p<\/span><\/strong><\/h4>\n