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C\u00e1c kh\u00e1i ni\u1ec7m sau s\u1ebd gi\u00fap b\u1ea1n c\u00f3 th\u00eam kinh nghi\u1ec7m trong l\u00f4 \u0111\u1ec1<\/em><\/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:<\/p>\n 00, 11, 22, 33, 44, 55, 66, 77, 88, 99<\/p>\n 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 \u0111\u1ec1 k\u00e9p gan l\u00e2u nh\u1ea5t \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<\/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<\/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<\/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 <\/p>\n C\u00e1ch b\u1eaft l\u00f4 k\u00e9p l\u1ec7ch?<\/em><\/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<\/p>\n Ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea7u ti\u00ean v\u00e0 c\u0169ng l\u00e0 \u0111\u01a1n gi\u1ea3n nh\u1ea5t m\u00e0 t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi n\u00ean tham kh\u1ea3o ch\u00ednh l\u00e0 b\u1eaft l\u00f4 k\u00e9p Mi\u1ec1n B\u1eafc d\u1ef1a v\u00e0o hai s\u1ed1 \u0111\u1ea7u c\u1ee7a gi\u1ea3i \u0110\u1eb7c Bi\u1ec7t. Ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/p>\n V\u00ed d\u1ee5: Gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a ng\u00e0y h\u00f4m nay l\u00e0 00177. Trong \u0111\u00f3, hai s\u1ed1 \u0111\u1ea7u c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 l\u00f4 k\u00e9p 00. \u0110\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u b\u00e1o l\u00f4 k\u00e9p n\u00e0y s\u1ebd xu\u1ea5t hi\u1ec7n trong th\u1eddi gian t\u1edbi<\/p>\n V\u00ed d\u1ee5: Sau khi ph\u00e1t hi\u1ec7n ra l\u00f4 k\u00e9p xu\u1ea5t hi\u1ec7n trong gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 00. B\u1ea1n nu\u00f4i s\u1ed1 \u0111\u00f3 k\u1ebft h\u1ee3p v\u1edbi d\u1ea7n ch\u1ea1m c\u1ee7a 00 v\u1edbi c\u00e1c s\u1ed1 l\u1ebb gh\u00e9p l\u1ea1i l\u00e0 10, 30, 50, 70.<\/p>\n N\u1ebfu may m\u1eafn m\u1ec9m c\u01b0\u1eddi, b\u1ea1n c\u00f3 th\u1ec3 tr\u00fang \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e1y trong ch\u1ec9 m\u1ed9t l\u1ea7n c\u01b0\u1ee3c v\u00e0 c\u00f3 \u0111\u01b0\u1ee3c ph\u1ea7n th\u01b0\u1edfng v\u00f4 c\u00f9ng gi\u00e1 tr\u1ecb. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u00e2u \u0111\u1eddi m\u00e0 v\u00f4 c\u00f9ng hi\u1ec7u qu\u1ea3 d\u00e0nh cho c\u00e1c b\u1ea1n m\u1edbi tham gia soi c\u1ea7u l\u00f4 k\u00e9p<\/p>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n <\/main><\/div>\n<\/div>\n1. K\u00e9p b\u1eb1ng l\u00e0 g\u00ec?<\/b><\/h2>\n
2. K\u00e9p l\u1ec7ch l\u00e0 g\u00ec?<\/b><\/h2>\n
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3. S\u00e1t k\u00e9p l\u00e0 g\u00ec?<\/b><\/h2>\n
4. K\u00e9p \u00e2m l\u00e0 g\u00ec?<\/b><\/h2>\n
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5. K\u00e9p l\u1ec7ch \u00e2m l\u00e0 g\u00ec?<\/b><\/h2>\n
C\u00e1ch b\u1eaft l\u00f4 k\u00e9p<\/b><\/h3>\n
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soi c\u1ea7u si\u00eau vip<\/span><\/h4>\n