![\"bat-de-kep-chuan\"](\"\/wp-content\/uploads\/2024\/03\/bat-de-kep-chuan.jpg\")
<\/p>\n
B\u1eaft \u0111\u1ec1 k\u00e9p l\u1ec7ch, k\u00e9p b\u1eb1ng, s\u00e1t k\u00e9p, k\u00e9p \u00e2m kh\u00f4ng ph\u1ea3i l\u00e0 kh\u00f3. Quan tr\u1ecdng b\u1ea1n ph\u1ea3i n\u1eafm \u0111\u01b0\u1ee3c b\u00ed quy\u1ebft c\u0169ng nh\u01b0 c\u00e1c ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 c\u00e1c lo\u1ea1i k\u00e9p n\u00e0y. D\u01b0\u1edbi \u0111\u00e2y ch\u00fang t\u00f4i s\u1ebd chia s\u1ebb kinh nghi\u1ec7m v\u00e0 c\u00e1ch ch\u01a1i \u0111\u1ec1 k\u00e9p trong ng\u00e0y hi\u1ec7u qu\u1ea3.<\/p>\n
Kh\u00e1i ni\u1ec7m k\u00e9p b\u1eb1ng, k\u00e9p l\u1ec7ch, s\u00e1t k\u00e9p v\u00e0 k\u00e9p \u00e2m<\/span><\/h2>\nK\u00e9p b\u1eb1ng l\u00e0 g\u00ec<\/span><\/h3>\nK\u00e9p b\u1eb1ng c\u00f3 ngh\u0129a l\u00e0 nh\u1eefng con s\u1ed1 b\u1eb1ng nhau, s\u1ed1 gi\u1ed1ng nhau. B\u1ed9 k\u00e9p b\u1eb1ng g\u1ed3m 10 s\u1ed1:
\n00, 11, 22, 33, 44, 55, 66, 77, 88, 99<\/strong><\/p>\nTr\u1ea3i qua nhi\u1ec1u n\u0103m ph\u00e1t tri\u1ec3n t\u1eeb k\u00e9p b\u1eb1ng ng\u01b0\u1eddi ta \u0111\u00e3 th\u00eam c\u00e1c b\u1ed9 k\u00e9p kh\u00e1c \u0111\u00f3 l\u00e0 k\u00e9p l\u1ec7ch, s\u00e1t k\u00e9p v\u00e0 k\u00e9p \u00e2m.V\u1eady b\u1ed9 k\u00e9p \u0111\u00f3 c\u00f3 bao nhi\u1ec1u s\u1ed1?<\/p>\n
K\u00e9p l\u1ec7ch l\u00e0 g\u00ec<\/span><\/h3>\nK\u00e9p l\u1ec7ch \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1eeb m\u1ed9t lo\u1ea1i kh\u00e1c l\u00e0 b\u00f3ng l\u00f4 \u0111\u1ec1. M\u1ed7i m\u1ed9t s\u1ed1 \u0111\u1ec1u c\u00f3 b\u00f3ng l\u00f4 \u0111\u1ec1 t\u01b0\u01a1ng \u1ee9ng. Nh\u1eefng c\u1eb7p b\u00f3ng l\u00f4 \u0111\u1ec1 l\u00e0 b\u00f3ng c\u1ee7a nhau nh\u01b0 sau:<\/p>\n
\n
<\/figure>\n<\/div>\n\n- S\u1ed1 0<\/strong> v\u00e0 5<\/strong> l\u00e0 b\u00f3ng c\u1ee7a nhau<\/li>\n
- S\u1ed1 1<\/strong> v\u00e0 6<\/strong> l\u00e0 b\u00f3ng c\u1ee7a nhau<\/li>\n
- S\u1ed1 2<\/strong> v\u00e0 7<\/strong> l\u00e0 b\u00f3ng c\u1ee7a nhau<\/li>\n
- S\u1ed1 3<\/strong> v\u00e0 8<\/strong> l\u00e0 b\u00f3ng c\u1ee7a nhau<\/li>\n
- S\u1ed1 4<\/strong> v\u00e0 9<\/strong> l\u00e0 b\u00f3ng c\u1ee7a nhau<\/li>\n<\/ul>\n
Nh\u01b0 v\u1eady m\u1ed7i c\u1eb7p b\u00f3ng c\u1ee7a nhau gh\u00e9p l\u1ea1i s\u1ebd \u0111\u01b0\u1ee3c 2 c\u1eb7p s\u1ed1 k\u00e9p l\u1ec7ch kh\u00e1c nhau bao g\u1ed3m c\u1ea3 s\u1ed1 l\u1ed9n. Do \u0111\u00f3 ch\u00fang ta c\u00f3 c\u00e1c c\u1eb7p s\u1ed1 k\u00e9p l\u1ec7ch nh\u01b0 sau: 05, 50, 16, 61, 27, 72, 38, 83, 49, 94<\/strong><\/p>\nNgo\u00e0i ra c\u00f3 m\u1ed9t m\u1eb9o nh\u1ecf \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 nh\u1edb c\u00e1c c\u1eb7p s\u1ed1 k\u00e9p l\u1ec7ch \u0111\u00f3 l\u00e0 2 s\u1ed1 k\u00e9p l\u1ec7ch ch\u00eanh nhau 5 \u0111\u01a1n v\u1ecb.<\/p>\n
S\u00e1t k\u00e9p l\u00e0 g\u00ec<\/span><\/h3>\n\u0110\u1ec1 s\u00e1t k\u00e9p l\u00e0 g\u00ec? \u0110\u1ec1 s\u00e1t k\u00e9p \u0111\u01b0\u1ee3c hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 s\u1ed1 li\u1ec1n k\u1ec1 v\u1edbi \u0111\u1ec1 k\u00e9p b\u1eb1ng v\u00e0 k\u00e9p l\u1ec7ch. \u0110\u1ec1 s\u00e1t k\u00e9p s\u1ebd l\u1ea5y c\u00e1c s\u1ed1 li\u1ec1n +1 v\u00e0 -1 s\u1ebd \u0111\u01b0\u1ee3c 2 s\u1ed1 s\u00e1t k\u00e9p.<\/p>\n
B\u1ed9 s\u1ed1 s\u00e1t k\u00e9p b\u1eb1ng g\u1ed3m c\u00e1c s\u1ed1 sau: 01,10,12, 21, 23, 32, 34, 43, 54, 45, 65, 56, 67, 76, 78, 87, 89, 98, 09, 90<\/strong><\/p>\nT\u01b0\u01a1ng t\u1ef1 b\u1ed9 s\u00e1t k\u00e9p l\u1ec7ch c\u0169ng g\u1ed3m c\u00f3 c\u00e1c s\u1ed1 sau: 04, 06, 49, 51, 15, 17, 60, 62, 26, 28, 71, 73, 37, 39, 82, 84, 48, 50, 93, 95<\/strong><\/p>\nK\u00e9p \u00e2m l\u00e0 g\u00ec<\/span><\/h3>\nC\u0169ng t\u01b0\u01a1ng t\u1ef1 \u0111\u1ec1 s\u00e1t k\u00e9p. K\u00e9p \u00e2m \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb \u0111\u1ed9 b\u00f3ng c\u1ee7a nhau v\u1edbi b\u1ed9 s\u1ed1 b\u00f3ng \u00e2m. \u0110\u1ed1i v\u1edbi \u0111\u1ed9 b\u00f3ng \u00e2m c\u00e1c s\u1ed1 s\u1ebd ch\u00eanh nhau 7 \u0111\u01a1n v\u1ecb. Ta c\u00f3 c\u00e1c c\u1eb7p s\u1ed1 k\u00e9p \u00e2m nh\u01b0 sau:<\/p>\n
\n- S\u1ed1 0 v\u00e0 7 l\u00e0 b\u00f3ng \u00e2m c\u1ee7a nhau<\/li>\n
- S\u1ed1 1 v\u00e0 8 l\u00e0 b\u00f3ng \u00e2m c\u1ee7a nhau<\/li>\n
- S\u1ed1 2 v\u00e0 9 l\u00e0 b\u00f3ng \u00e2m c\u1ee7a nhau<\/li>\n
- S\u1ed1 3 v\u00e0 6 l\u00e0 b\u00f3ng \u00e2m c\u1ee7a nhau<\/li>\n
- S\u1ed1 5 v\u00e0 8 l\u00e0 b\u00f3ng \u00e2m c\u1ee7a nhau<\/li>\n<\/ul>\n
K\u00e9p l\u1ec7ch \u00e2m l\u00e0 g\u00ec<\/span><\/h3>\nGi\u1ed1ng nh\u01b0 k\u00e9p l\u1ec7ch, k\u00e9p l\u1ec7ch \u00e2m \u0111\u01b0\u1ee3c gh\u00e9p t\u1eeb nh\u1eefng b\u1ed9 b\u00f3ng \u00e2m v\u1edbi nhau. T\u1ed5ng c\u1ed9ng t\u1eeb \u0111\u00f3 ta s\u1ebd c\u00f3 10 c\u1eb7p s\u1ed1 k\u00e9p l\u1ec7ch \u00e2m g\u1ed3m: 07, 70, 18, 81, 29, 92, 36, 63, 58, 85<\/strong><\/p>\nC\u00e1ch b\u1eaft \u0111\u1ec1 k\u00e9p hi\u1ec7u qu\u1ea3 \u00edt v\u1ed1n l\u00e3i cao<\/span><\/h2>\n\u0110\u1ec3 \u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 k\u00e9p hi\u1ec7u qu\u1ea3 v\u1ed1n \u00edt l\u00e3i cao b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o m\u1ed9t s\u1ed1 c\u00e1c b\u1eaft \u0111\u1ec1 k\u00e9p d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n
B\u1eaft \u0111\u1ec1 k\u00e9o d\u1ef1a v\u00e0o gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y th\u1ee9 2 trong tu\u1ea7n<\/span><\/h3>\nD\u1ef1a v\u00e0o 2 con s\u1ed1 \u0111\u1ea7u ti\u00ean c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y th\u1ee9 2 trong tu\u1ea7n \u0111\u1ec3 nu\u00f4i \u0111\u1ea7u \u0111\u00edt \u0111\u00e1nh trong m\u1ed9t tu\u1ea7n. Ngo\u00e0i ra n\u1ebfu gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y th\u1ee9 2 \u0111\u00f3 c\u00f3 s\u1ed1 0 k\u1eb9p gi\u1eefa th\u00ec nh\u1ea5t \u0111\u1ecbnh \u0111\u1ea7u ho\u1eb7c \u0111\u00edt 0 s\u1ebd xu\u1ea5t hi\u1ec7n trong hai s\u1ed1 gi\u1ea3i cu\u1ed1i \u0111\u1eb7c bi\u1ec7t ngay sau \u0111\u00f3.<\/p>\n
\n
<\/figure>\n<\/div>\nB\u1eaft \u0111\u1ec1 k\u00e9p d\u1ef1a v\u00e0o gi\u1ea3i 7 <\/span><\/h3>\n\u0110\u1ec3 th\u1ef1c hi\u1ec7n ph\u01b0\u01a1ng ph\u00e1p n\u00e0y b\u1ea1n ph\u1ea3i th\u01b0\u1eddng xuy\u00ean theo d\u00f5i b\u1ea3ng k\u1ebft qu\u1ea3 h\u00e0ng ng\u00e0y. Trong gi\u1ea3i 7 ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t 2 k\u1ebft qu\u1ea3 l\u00e0 gi\u1ea3i k\u00e9p ph\u1ee5 (k\u00e9p l\u1ec7ch, s\u00e1t k\u00e9p, k\u00e9p \u00e2m) th\u00ec m\u1edbi c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y.<\/p>\n
Khi gi\u1ea3i 7 c\u00f3 2 c\u1eb7p k\u00e9p ph\u1ee5 ta s\u1ebd \u0111\u00e1nh \u0111\u1ec1 k\u00e9p g\u1ed3m 10 s\u1ed1 v\u00e0 nu\u00f4i trong v\u00f2ng 1 \u0111\u1ebfn 3 ng\u00e0y l\u00e0 \u0111\u1eb9p nh\u1ea5t. Khi \u0111\u1ec1 k\u00e9p xu\u1ea5t hi\u1ec7n th\u00ec d\u1eebng c\u1ea7u v\u00e0 t\u1ea1m ngh\u1ec9. C\u1ea7u n\u00e0y th\u01b0\u1eddng t\u00ednh trong v\u00f2ng \u00edt nh\u1ea5t 7 ng\u00e0y, ngh\u0129a l\u00e0 gi\u1ea3i 7 n\u1ebfu c\u00f3 \u0111\u1ee7 2 k\u00e9p ph\u1ee5 m\u00e0 \u0111\u1ec1 k\u00e9p hay l\u00f4 \u0111\u00e3 v\u1ec1 th\u00ec n\u00ean ngh\u1ec9 c\u1ea7u n\u00e0y 5 ng\u00e0y r\u1ed3i m\u1edbi quay l\u1ea1i t\u00ednh c\u1ea7u n\u00e0y ti\u1ebfp.<\/p>\n
\u0110\u1ec3 t\u0103ng th\u00eam hi\u1ec7u qu\u1ea3 c\u0169ng nh\u01b0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro, ta n\u00ean \u0111\u00e1nh l\u00f3t con k\u00e9p v\u00e0o l\u00f4 t\u1ee9c l\u00e0 v\u1eeba k\u1ebft h\u1ee3p \u0111\u00e1nh \u0111\u1ec1, v\u1eeba \u0111\u00e1nh l\u00f4. Ngo\u00e0i ra, ta c\u00f3 th\u1ec3 \u0111\u1ed5i \u0111i\u1ec1u ki\u1ec7n c\u1ea7u l\u00e0 khi soi gi\u1ea3i 7 n\u1ebfu xu\u1ea5t hi\u1ec7n 2 con k\u00e9p ch\u00ednh tr\u1edf l\u00ean (trong c\u00e1c con 00, 11, 22, 33, 44, 55, 66, 77, 88, 99) th\u00ec trong v\u00f2ng 6 ng\u00e0y sau c\u0169ng r\u1ea5t hay v\u1ec1 k\u00e9p, tuy nhi\u00ean \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh th\u00ec kh\u00f4ng b\u1eb1ng k\u00e9p ph\u1ee5. Nh\u01b0ng so v\u1ec1 l\u00e3i su\u1ea5t th\u00ec c\u00e1ch soi c\u1ea7u k\u00e9p ch\u00ednh v\u1eabn cao h\u01a1n v\u00ec v\u1eady ng\u01b0\u1eddi ch\u01a1i n\u00ean k\u1ebft h\u1ee3p c\u1ea3 2 c\u1ea7u k\u00e9p n\u00e0y \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao nh\u1ea5t.<\/p>\n
B\u1eaft l\u00f4 \u0111\u1ec1 k\u00e9p d\u1ef1a v\u00e0o \u0111\u1ea7u \u0111u\u00f4i l\u00f4 c\u00e2m<\/span><\/h3>\nPh\u01b0\u01a1ng ph\u00e1p n\u00e0y d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 c\u1ee7a b\u1ea3ng l\u00f4 \u0111\u1ea7u \u0111u\u00f4i h\u00f4m tr\u01b0\u1edbc. N\u1ebfu b\u1ea3ng k\u1ebft qu\u1ea3 c\u1ee7a l\u00f4 \u0111\u1ea7u \u0111u\u00f4i h\u00f4m \u0111\u00f3 c\u00e2m th\u00ec b\u1ea1n c\u00f3 th\u1ec3 nu\u00f4i k\u00e9p c\u1ee7a \u0111\u1ea7u \u0111\u00f3 trong 2 ng\u00e0y ti\u1ebfp theo v\u00e0 nu\u00f4i t\u1ed1i \u0111a 7 ng\u00e0y n\u1ebfu kh\u00f4ng ra.<\/p>\n
Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng kinh nghi\u1ec7m l\u00f4 \u0111\u1ec1 k\u00e9p<\/strong> \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 tham kh\u1ea3o nh\u01b0ng kh\u00f4ng ph\u1ea3i chu\u1ea9n 100%. V\u00ec v\u1eady, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam c\u00e1c b\u00e0i vi\u1ebft kh\u00e1c li\u00ean quan \u0111\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c cho m\u00ecnh con s\u1ed1 ch\u00ednh x\u00e1c v\u00e0 ch\u1eafc ch\u1eafn nh\u1ea5t. Ch\u00fac b\u1ea1n may m\u1eafn.<\/p>\n<\/div>\n<\/div>\n<\/article>\n<\/main><\/div>\n
<\/p>\n<\/div>\n<\/div>\n
\u00a0soi c\u1ea7u mi\u1ec1n b\u1eafc si\u00eau chu\u1ea9n<\/span>\u00a0
<\/span><\/strong><\/span><\/h3>\n
d\u1ef1 \u0111o\u00e1n v\u00edp b\u1ea1ch th\u1ee7 l\u00f4 2 nh\u00e1y mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp b\u1ea1ch th\u1ee7 l\u00f4 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp song th\u1ee7 l\u00f4 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp b\u1ea1ch th\u1ee7 l\u00f4 k\u00e9p mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp song th\u1ee7 l\u00f4 k\u00e9p mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp b\u1ea1ch th\u1ee7 \u0111\u1ec1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp song th\u1ee7 \u0111\u1ec1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n \u0111\u1ec1 4 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n \u0111\u1ec1 6 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n \u0111\u1ec1 8 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n \u0111\u1ec1 10 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n l\u00f4 4 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n l\u00f4 6 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n l\u00f4 8 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n l\u00f4 xi\u00ean 2 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n l\u00f4 xi\u00ean 3 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n l\u00f4 xi\u00ean 4 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp 3 c\u00e0ng mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n 3 c\u00e0ng 2 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n l\u00f4 10 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp \u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i mb h\u00f4m nay<\/strong><\/a><\/p>\n
\u00a0soi c\u1ea7u mi\u1ec1n nam si\u00eau chu\u1ea9n<\/span>\u00a0
<\/span><\/strong><\/span><\/h3>\n
d\u1ef1 \u0111o\u00e1n v\u00edp x\u1ec9u ch\u1ee7 mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp gi\u1ea3i 8 mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp bao l\u00f4 mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp c\u1eb7p x\u1ec9u ch\u1ee7 mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp song th\u1ee7 l\u00f4 mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp \u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 8 mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp \u0111\u1ea7u \u0111u\u00f4i \u0111\u1eb7c bi\u1ec7t mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp l\u00f4 3 s\u1ed1 mn h\u00f4m nay<\/strong><\/a><\/p>\n
\u00a0soi c\u1ea7u mi\u1ec1n trung si\u00eau chu\u1ea9n<\/span>\u00a0
<\/span><\/strong><\/span><\/h3>\n
d\u1ef1 \u0111o\u00e1n v\u00edp x\u1ec9u ch\u1ee7 mt h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mt h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp gi\u1ea3i 8 mt h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp bao l\u00f4 mt h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp c\u1eb7p x\u1ec9u ch\u1ee7 mt h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp song th\u1ee7 l\u00f4 mt h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp \u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 8 mt h\u00f4m nay<\/strong><\/a><\/p>\n
K\u00e9p b\u1eb1ng c\u00f3 ngh\u0129a l\u00e0 nh\u1eefng con s\u1ed1 b\u1eb1ng nhau, s\u1ed1 gi\u1ed1ng nhau. B\u1ed9 k\u00e9p b\u1eb1ng g\u1ed3m 10 s\u1ed1: Tr\u1ea3i qua nhi\u1ec1u n\u0103m ph\u00e1t tri\u1ec3n t\u1eeb k\u00e9p b\u1eb1ng ng\u01b0\u1eddi ta \u0111\u00e3 th\u00eam c\u00e1c b\u1ed9 k\u00e9p kh\u00e1c \u0111\u00f3 l\u00e0 k\u00e9p l\u1ec7ch, s\u00e1t k\u00e9p v\u00e0 k\u00e9p \u00e2m.V\u1eady b\u1ed9 k\u00e9p \u0111\u00f3 c\u00f3 bao nhi\u1ec1u s\u1ed1?<\/p>\n K\u00e9p l\u1ec7ch \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1eeb m\u1ed9t lo\u1ea1i kh\u00e1c l\u00e0 b\u00f3ng l\u00f4 \u0111\u1ec1. M\u1ed7i m\u1ed9t s\u1ed1 \u0111\u1ec1u c\u00f3 b\u00f3ng l\u00f4 \u0111\u1ec1 t\u01b0\u01a1ng \u1ee9ng. Nh\u1eefng c\u1eb7p b\u00f3ng l\u00f4 \u0111\u1ec1 l\u00e0 b\u00f3ng c\u1ee7a nhau nh\u01b0 sau:<\/p>\n Nh\u01b0 v\u1eady m\u1ed7i c\u1eb7p b\u00f3ng c\u1ee7a nhau gh\u00e9p l\u1ea1i s\u1ebd \u0111\u01b0\u1ee3c 2 c\u1eb7p s\u1ed1 k\u00e9p l\u1ec7ch kh\u00e1c nhau bao g\u1ed3m c\u1ea3 s\u1ed1 l\u1ed9n. Do \u0111\u00f3 ch\u00fang ta c\u00f3 c\u00e1c c\u1eb7p s\u1ed1 k\u00e9p l\u1ec7ch nh\u01b0 sau: 05, 50, 16, 61, 27, 72, 38, 83, 49, 94<\/strong><\/p>\n Ngo\u00e0i ra c\u00f3 m\u1ed9t m\u1eb9o nh\u1ecf \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 nh\u1edb c\u00e1c c\u1eb7p s\u1ed1 k\u00e9p l\u1ec7ch \u0111\u00f3 l\u00e0 2 s\u1ed1 k\u00e9p l\u1ec7ch ch\u00eanh nhau 5 \u0111\u01a1n v\u1ecb.<\/p>\n \u0110\u1ec1 s\u00e1t k\u00e9p l\u00e0 g\u00ec? \u0110\u1ec1 s\u00e1t k\u00e9p \u0111\u01b0\u1ee3c hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 s\u1ed1 li\u1ec1n k\u1ec1 v\u1edbi \u0111\u1ec1 k\u00e9p b\u1eb1ng v\u00e0 k\u00e9p l\u1ec7ch. \u0110\u1ec1 s\u00e1t k\u00e9p s\u1ebd l\u1ea5y c\u00e1c s\u1ed1 li\u1ec1n +1 v\u00e0 -1 s\u1ebd \u0111\u01b0\u1ee3c 2 s\u1ed1 s\u00e1t k\u00e9p.<\/p>\n B\u1ed9 s\u1ed1 s\u00e1t k\u00e9p b\u1eb1ng g\u1ed3m c\u00e1c s\u1ed1 sau: 01,10,12, 21, 23, 32, 34, 43, 54, 45, 65, 56, 67, 76, 78, 87, 89, 98, 09, 90<\/strong><\/p>\n T\u01b0\u01a1ng t\u1ef1 b\u1ed9 s\u00e1t k\u00e9p l\u1ec7ch c\u0169ng g\u1ed3m c\u00f3 c\u00e1c s\u1ed1 sau: 04, 06, 49, 51, 15, 17, 60, 62, 26, 28, 71, 73, 37, 39, 82, 84, 48, 50, 93, 95<\/strong><\/p>\n C\u0169ng t\u01b0\u01a1ng t\u1ef1 \u0111\u1ec1 s\u00e1t k\u00e9p. K\u00e9p \u00e2m \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb \u0111\u1ed9 b\u00f3ng c\u1ee7a nhau v\u1edbi b\u1ed9 s\u1ed1 b\u00f3ng \u00e2m. \u0110\u1ed1i v\u1edbi \u0111\u1ed9 b\u00f3ng \u00e2m c\u00e1c s\u1ed1 s\u1ebd ch\u00eanh nhau 7 \u0111\u01a1n v\u1ecb. Ta c\u00f3 c\u00e1c c\u1eb7p s\u1ed1 k\u00e9p \u00e2m nh\u01b0 sau:<\/p>\n Gi\u1ed1ng nh\u01b0 k\u00e9p l\u1ec7ch, k\u00e9p l\u1ec7ch \u00e2m \u0111\u01b0\u1ee3c gh\u00e9p t\u1eeb nh\u1eefng b\u1ed9 b\u00f3ng \u00e2m v\u1edbi nhau. T\u1ed5ng c\u1ed9ng t\u1eeb \u0111\u00f3 ta s\u1ebd c\u00f3 10 c\u1eb7p s\u1ed1 k\u00e9p l\u1ec7ch \u00e2m g\u1ed3m: 07, 70, 18, 81, 29, 92, 36, 63, 58, 85<\/strong><\/p>\n \u0110\u1ec3 \u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 k\u00e9p hi\u1ec7u qu\u1ea3 v\u1ed1n \u00edt l\u00e3i cao b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o m\u1ed9t s\u1ed1 c\u00e1c b\u1eaft \u0111\u1ec1 k\u00e9p d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n D\u1ef1a v\u00e0o 2 con s\u1ed1 \u0111\u1ea7u ti\u00ean c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y th\u1ee9 2 trong tu\u1ea7n \u0111\u1ec3 nu\u00f4i \u0111\u1ea7u \u0111\u00edt \u0111\u00e1nh trong m\u1ed9t tu\u1ea7n. Ngo\u00e0i ra n\u1ebfu gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y th\u1ee9 2 \u0111\u00f3 c\u00f3 s\u1ed1 0 k\u1eb9p gi\u1eefa th\u00ec nh\u1ea5t \u0111\u1ecbnh \u0111\u1ea7u ho\u1eb7c \u0111\u00edt 0 s\u1ebd xu\u1ea5t hi\u1ec7n trong hai s\u1ed1 gi\u1ea3i cu\u1ed1i \u0111\u1eb7c bi\u1ec7t ngay sau \u0111\u00f3.<\/p>\n \u0110\u1ec3 th\u1ef1c hi\u1ec7n ph\u01b0\u01a1ng ph\u00e1p n\u00e0y b\u1ea1n ph\u1ea3i th\u01b0\u1eddng xuy\u00ean theo d\u00f5i b\u1ea3ng k\u1ebft qu\u1ea3 h\u00e0ng ng\u00e0y. Trong gi\u1ea3i 7 ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t 2 k\u1ebft qu\u1ea3 l\u00e0 gi\u1ea3i k\u00e9p ph\u1ee5 (k\u00e9p l\u1ec7ch, s\u00e1t k\u00e9p, k\u00e9p \u00e2m) th\u00ec m\u1edbi c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y.<\/p>\n Khi gi\u1ea3i 7 c\u00f3 2 c\u1eb7p k\u00e9p ph\u1ee5 ta s\u1ebd \u0111\u00e1nh \u0111\u1ec1 k\u00e9p g\u1ed3m 10 s\u1ed1 v\u00e0 nu\u00f4i trong v\u00f2ng 1 \u0111\u1ebfn 3 ng\u00e0y l\u00e0 \u0111\u1eb9p nh\u1ea5t. Khi \u0111\u1ec1 k\u00e9p xu\u1ea5t hi\u1ec7n th\u00ec d\u1eebng c\u1ea7u v\u00e0 t\u1ea1m ngh\u1ec9. C\u1ea7u n\u00e0y th\u01b0\u1eddng t\u00ednh trong v\u00f2ng \u00edt nh\u1ea5t 7 ng\u00e0y, ngh\u0129a l\u00e0 gi\u1ea3i 7 n\u1ebfu c\u00f3 \u0111\u1ee7 2 k\u00e9p ph\u1ee5 m\u00e0 \u0111\u1ec1 k\u00e9p hay l\u00f4 \u0111\u00e3 v\u1ec1 th\u00ec n\u00ean ngh\u1ec9 c\u1ea7u n\u00e0y 5 ng\u00e0y r\u1ed3i m\u1edbi quay l\u1ea1i t\u00ednh c\u1ea7u n\u00e0y ti\u1ebfp.<\/p>\n \u0110\u1ec3 t\u0103ng th\u00eam hi\u1ec7u qu\u1ea3 c\u0169ng nh\u01b0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro, ta n\u00ean \u0111\u00e1nh l\u00f3t con k\u00e9p v\u00e0o l\u00f4 t\u1ee9c l\u00e0 v\u1eeba k\u1ebft h\u1ee3p \u0111\u00e1nh \u0111\u1ec1, v\u1eeba \u0111\u00e1nh l\u00f4. Ngo\u00e0i ra, ta c\u00f3 th\u1ec3 \u0111\u1ed5i \u0111i\u1ec1u ki\u1ec7n c\u1ea7u l\u00e0 khi soi gi\u1ea3i 7 n\u1ebfu xu\u1ea5t hi\u1ec7n 2 con k\u00e9p ch\u00ednh tr\u1edf l\u00ean (trong c\u00e1c con 00, 11, 22, 33, 44, 55, 66, 77, 88, 99) th\u00ec trong v\u00f2ng 6 ng\u00e0y sau c\u0169ng r\u1ea5t hay v\u1ec1 k\u00e9p, tuy nhi\u00ean \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh th\u00ec kh\u00f4ng b\u1eb1ng k\u00e9p ph\u1ee5. Nh\u01b0ng so v\u1ec1 l\u00e3i su\u1ea5t th\u00ec c\u00e1ch soi c\u1ea7u k\u00e9p ch\u00ednh v\u1eabn cao h\u01a1n v\u00ec v\u1eady ng\u01b0\u1eddi ch\u01a1i n\u00ean k\u1ebft h\u1ee3p c\u1ea3 2 c\u1ea7u k\u00e9p n\u00e0y \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao nh\u1ea5t.<\/p>\n Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 c\u1ee7a b\u1ea3ng l\u00f4 \u0111\u1ea7u \u0111u\u00f4i h\u00f4m tr\u01b0\u1edbc. N\u1ebfu b\u1ea3ng k\u1ebft qu\u1ea3 c\u1ee7a l\u00f4 \u0111\u1ea7u \u0111u\u00f4i h\u00f4m \u0111\u00f3 c\u00e2m th\u00ec b\u1ea1n c\u00f3 th\u1ec3 nu\u00f4i k\u00e9p c\u1ee7a \u0111\u1ea7u \u0111\u00f3 trong 2 ng\u00e0y ti\u1ebfp theo v\u00e0 nu\u00f4i t\u1ed1i \u0111a 7 ng\u00e0y n\u1ebfu kh\u00f4ng ra.<\/p>\n Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng kinh nghi\u1ec7m l\u00f4 \u0111\u1ec1 k\u00e9p<\/strong> \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 tham kh\u1ea3o nh\u01b0ng kh\u00f4ng ph\u1ea3i chu\u1ea9n 100%. V\u00ec v\u1eady, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam c\u00e1c b\u00e0i vi\u1ebft kh\u00e1c li\u00ean quan \u0111\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c cho m\u00ecnh con s\u1ed1 ch\u00ednh x\u00e1c v\u00e0 ch\u1eafc ch\u1eafn nh\u1ea5t. Ch\u00fac b\u1ea1n may m\u1eafn.<\/p>\n<\/div>\n<\/div>\n<\/article>\n <\/main><\/div>\n <\/p>\n<\/div>\n<\/div>\n
\n00, 11, 22, 33, 44, 55, 66, 77, 88, 99<\/strong><\/p>\nK\u00e9p l\u1ec7ch l\u00e0 g\u00ec<\/span><\/h3>\n
<\/figure>\n<\/div>\n
\n
S\u00e1t k\u00e9p l\u00e0 g\u00ec<\/span><\/h3>\n
K\u00e9p \u00e2m l\u00e0 g\u00ec<\/span><\/h3>\n
\n
K\u00e9p l\u1ec7ch \u00e2m l\u00e0 g\u00ec<\/span><\/h3>\n
C\u00e1ch b\u1eaft \u0111\u1ec1 k\u00e9p hi\u1ec7u qu\u1ea3 \u00edt v\u1ed1n l\u00e3i cao<\/span><\/h2>\n
B\u1eaft \u0111\u1ec1 k\u00e9o d\u1ef1a v\u00e0o gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y th\u1ee9 2 trong tu\u1ea7n<\/span><\/h3>\n
<\/figure>\n<\/div>\n
B\u1eaft \u0111\u1ec1 k\u00e9p d\u1ef1a v\u00e0o gi\u1ea3i 7 <\/span><\/h3>\n
B\u1eaft l\u00f4 \u0111\u1ec1 k\u00e9p d\u1ef1a v\u00e0o \u0111\u1ea7u \u0111u\u00f4i l\u00f4 c\u00e2m<\/span><\/h3>\n
\u00a0soi c\u1ea7u mi\u1ec1n b\u1eafc si\u00eau chu\u1ea9n<\/span>\u00a0
<\/span><\/strong><\/span><\/h3>\n
d\u1ef1 \u0111o\u00e1n v\u00edp b\u1ea1ch th\u1ee7 l\u00f4 2 nh\u00e1y mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp b\u1ea1ch th\u1ee7 l\u00f4 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp song th\u1ee7 l\u00f4 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp b\u1ea1ch th\u1ee7 l\u00f4 k\u00e9p mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp song th\u1ee7 l\u00f4 k\u00e9p mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp b\u1ea1ch th\u1ee7 \u0111\u1ec1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp song th\u1ee7 \u0111\u1ec1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n \u0111\u1ec1 4 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n \u0111\u1ec1 6 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n \u0111\u1ec1 8 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n \u0111\u1ec1 10 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n l\u00f4 4 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n l\u00f4 6 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n l\u00f4 8 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n l\u00f4 xi\u00ean 2 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n l\u00f4 xi\u00ean 3 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n l\u00f4 xi\u00ean 4 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp 3 c\u00e0ng mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n 3 c\u00e0ng 2 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp d\u00e0n l\u00f4 10 s\u1ed1 mb h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp \u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i mb h\u00f4m nay<\/strong><\/a><\/p>\n
\u00a0soi c\u1ea7u mi\u1ec1n nam si\u00eau chu\u1ea9n<\/span>\u00a0
<\/span><\/strong><\/span><\/h3>\n
d\u1ef1 \u0111o\u00e1n v\u00edp x\u1ec9u ch\u1ee7 mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp gi\u1ea3i 8 mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp bao l\u00f4 mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp c\u1eb7p x\u1ec9u ch\u1ee7 mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp song th\u1ee7 l\u00f4 mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp \u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 8 mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp \u0111\u1ea7u \u0111u\u00f4i \u0111\u1eb7c bi\u1ec7t mn h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp l\u00f4 3 s\u1ed1 mn h\u00f4m nay<\/strong><\/a><\/p>\n
\u00a0soi c\u1ea7u mi\u1ec1n trung si\u00eau chu\u1ea9n<\/span>\u00a0
<\/span><\/strong><\/span><\/h3>\n
d\u1ef1 \u0111o\u00e1n v\u00edp x\u1ec9u ch\u1ee7 mt h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mt h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp gi\u1ea3i 8 mt h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp bao l\u00f4 mt h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp c\u1eb7p x\u1ec9u ch\u1ee7 mt h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp song th\u1ee7 l\u00f4 mt h\u00f4m nay<\/strong><\/a><\/p>\n
d\u1ef1 \u0111o\u00e1n v\u00edp \u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 8 mt h\u00f4m nay<\/strong><\/a><\/p>\n