Theo quan ni\u1ec7m d\u00e2n gian, kh\u00e1i ni\u1ec7m v\u1ec1 kep lech v\u00e0 k\u00e9p l\u1ec7ch g\u1ed3m nh\u1eefng con g\u00ec<\/strong> kh\u00f4ng c\u00f2n xa l\u1ea1 v\u1edbi nh\u1eefng tay ch\u01a1i l\u00f4 \u0111\u1ec1 chuy\u00ean nghi\u1ec7p.Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi b\u01b0\u1edbc ch\u00e2n v\u00e0o gi\u1edbi l\u00f4 \u0111\u1ec1 th\u00ec ch\u01b0a n\u1eafm r\u00f5 \u0111\u01b0\u1ee3c.<\/p>\n Trong ph\u1ea1m vi b\u00e0i vi\u1ebft sau s\u1ebd cung c\u1ea5p cho b\u1ea1n \u0111\u1ecdc nh\u1eefng th\u00f4ng tin, ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n nh\u1ea5t v\u00e0 chia s\u1ebb b\u00ed quy\u1ebft k\u00e9p l\u1ec7ch l\u00e0 nh\u1eefng s\u1ed1 n\u00e0o? K\u00e9p l\u1ec7ch l\u00e0 nh\u1eefng con n\u00e0o? K\u00e9p l\u1ec7ch c\u00f3 nh\u1eefng con n\u00e0o? K\u00e9p l\u1ec7ch c\u00f3 nh\u1eefng con g\u00ec? C\u00f9ng theo d\u00f5i b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n Nh\u01b0 \u0111\u00e3 n\u00f3i, m\u1ed7i s\u1ed1 t\u1eeb 0 \u2013 9 \u0111\u1ec1u l\u00e0 b\u00f3ng c\u1ee7a nhau. Khi gh\u00e9p 2 s\u1ed1 b\u1ea5t k\u1ef3 l\u1ea1i v\u1edbi nhau ta s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c c\u1eb7p k\u00e9p l\u1ec7ch kh\u00e1c nhau. V\u00ed d\u1ee5 nh\u01b0: 0 l\u00e0 b\u00f3ng d\u01b0\u01a1ng c\u1ee7a 5. Khi gh\u00e9p l\u1ea1i v\u1edbi nhau ch\u00fang ta s\u1ebd c\u00f3 c\u1eb7p k\u00e9p l\u1ec7ch l\u00e0 05 v\u00e0 50. V\u1eady t\u00f3m l\u1ea1i k\u00e9p l\u1ec7ch g\u1ed3m nh\u1eefng s\u1ed1 n\u00e0o, k\u00e9p l\u1ec7ch c\u00f3 nh\u1eefng s\u1ed1 n\u00e0o, k\u00e9p l\u1ec7ch g\u1ed3m con g\u00ec, k\u00e9p l\u1ec7ch l\u00e0 con g\u00ec? Ch\u00fang t\u00f4i s\u1ebd n\u00f3i r\u00f5 d\u01b0\u1edbi b\u00e0i vi\u1ebft c\u1ee5 th\u1ec3 h\u01a1n.<\/p>\n <\/p>\n Gh\u00e9p c\u00e1c c\u1eb7p l\u00e0 b\u00f3ng d\u01b0\u01a1ng c\u1ee7a nhau l\u1ea1i v\u1edbi nhau ch\u00fang ta s\u1ebd c\u00f3 b\u1ed9 k\u00e9p l\u1ec7ch d\u01b0\u01a1ng.<\/p>\n Theo \u0111\u00f3 s\u1ebd c\u00f3 t\u1ed5ng c\u1ed9ng 10 s\u1ed1 k\u00e9p l\u1ec7ch d\u01b0\u01a1ng l\u00e0 05, 50, 16, 61, 27, 72, 38, 83, 49, 94.<\/p>\n T\u01b0\u01a1ng t\u1ef1 nh\u01b0 k\u00e9p l\u1ec7ch d\u01b0\u01a1ng, ch\u00fang ta c\u0169ng s\u1ebd gh\u00e9p c\u00e1c c\u1eb7p s\u1ed1 l\u00e0 b\u00f3ng \u00e2m c\u1ee7a nhau l\u1ea1i \u0111\u1ec3 \u0111\u01b0\u1ee3c b\u1ed9 k\u00e9p l\u1ec7ch \u00e2m kh\u00e1c nhau.<\/p>\n Theo \u0111\u00f3, c\u0169ng s\u1ebd c\u00f3 t\u1ed5ng c\u1ed9ng 10 b\u1ed9 k\u00e9p l\u1ec7ch d\u01b0\u01a1ng l\u00e0 07, 70, 18, 81, 29, 92, 36, 63, 58, 85.<\/p>\n S\u00e1t k\u00e9p l\u00e0 m\u1ed9t lo\u1ea1i k\u00e9p l\u1ec7ch \u0111\u01b0\u1ee3c gh\u00e9p t\u1eeb 2 con s\u1ed1 li\u1ec1n k\u1ec1 nhau tr\u00ean tr\u1ee5c s\u1ed1. Hay hi\u1ec3u m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, 2 con s\u1ed1 trong c\u1eb7p s\u1ed1 \u0111\u00f3 s\u1ebd h\u01a1n k\u00e9m nhau 1 \u0111\u01a1n v\u1ecb.<\/p>\n D\u00e2n ch\u01a1i l\u00f4 \u0111\u1ec1 chuy\u00ean nghi\u1ec7p s\u1ebd chia s\u00e1t k\u00e9p th\u00e0nh s\u00e1t k\u00e9p b\u1eb1ng v\u00e0 s\u00e1t k\u00e9p l\u1ec7ch:<\/p>\n S\u00e1t k\u00e9p b\u1eb1ng g\u1ed3m 20 s\u1ed1 nh\u01b0 sau: 01,10,12, 21, 23, 32, 34, 43, 54, 45, 65, 56, 67, 76, 78, 87, 89, 98, 09, 90.<\/p>\n L\u01b0u \u00fd: C\u00f3 nhi\u1ec1u n\u01a1i t\u00ednh 09 \u2013 90, nh\u01b0ng c\u0169ng c\u00f3 nh\u1eefng n\u01a1i kh\u00f4ng t\u00ednh.<\/p>\n S\u00e1t k\u00e9p l\u1ec7ch c\u0169ng g\u1ed3m 20 s\u1ed1, nh\u01b0 sau: 04, 06, 49, 51, 15, 17, 60, 62, 26, 28, 71, 73, 37, 39, 82, 84, 48, 50, 93, 95.<\/p>\n D\u00e0n \u0111\u1ec1 k\u00e9p l\u1ec7ch \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n d\u1ef1a tr\u00ean thuy\u1ebft v\u1ec1 b\u00f3ng trong l\u00f4 \u0111\u1ec1, c\u1ee5 th\u1ec3 \u1edf \u0111\u00e2y l\u00e0 b\u00f3ng d\u01b0\u01a1ng. Theo \u0111\u00f3, quy t\u1eafc b\u00f3ng d\u01b0\u01a1ng l\u00f4 \u0111\u1ec1 nh\u01b0 sau:<\/p>\n T\u1eeb quy t\u1eafc n\u00e0y, c\u00f3 th\u1ec3 hi\u1ec3u k\u00e9p l\u1ec7ch l\u00e0 nh\u1eefng s\u1ed1 b\u00f3ng c\u1ee7a k\u00e9p b\u1eb1ng, g\u1ed3m 10 con s\u1ed1 m\u00e0 2 ch\u1eef s\u1ed1 c\u1ee7a t\u1eebng con l\u00e0 b\u00f3ng c\u1ee7a nhau<\/p>\n Ta c\u00f3 b\u1ed9 s\u1ed1 k\u00e9p l\u1ec7ch g\u1ed3m nh\u1eefng con s\u1ed1 sau: 05 \u2013 50 \u2013 16 \u2013 61 \u2013 27 \u2013 72 \u2013 38 \u2013 83 \u2013 49 \u2013 94<\/p>\n <\/p>\n Khi ch\u01a1i, c\u00e1c b\u1ea1n ph\u1ea3i nh\u1edb r\u1eb1ng t\u1ef7 l\u1ec7 ch\u01a1i \u0111\u1ec1 k\u00e9p l\u1ec7ch, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ec1 k\u00e9p b\u1eb1ng r\u1ea5t kh\u00f3. V\u00ec th\u1ebf, kh\u00f4ng ph\u1ea3i b\u1ea5t c\u1ee9 l\u00fac n\u00e0o c\u0169ng \u00e1p d\u1ee5ng c\u00e1ch ch\u01a1i n\u00e0y m\u00e0 c\u1ea7n ph\u1ea3i thay \u0111\u1ed5i th\u01b0\u1eddng xuy\u00ean. Ch\u1ec9 khi n\u00e0o soi c\u1ea7u th\u1ea5y kh\u1ea3 n\u0103ng cao s\u1ebd v\u1ec1 \u0111\u1ec1 k\u00e9p th\u00ec h\u00e3y nu\u00f4i b\u1ea1ch th\u1ee7 l\u00f4 khung 3 ho\u1eb7c 5 ng\u00e0y. C\u00f2n kh\u00f4ng n\u00ean l\u00fac n\u00e0o c\u0169ng ch\u1ecdn c\u00e1ch \u0111\u1ec1 k\u00e9p.<\/p>\n C\u1ea3 khi ch\u01a1i online hay ch\u01a1i tr\u1ef1c ti\u1ebfp th\u00ec c\u00e1c b\u1ea1n c\u0169ng c\u1ea7n ch\u1ecdn nh\u00e0 c\u00e1i uy t\u00edn. Hi\u1ec7n nay \u0111ang c\u00f3 r\u1ea5t nhi\u1ec1u nh\u00e0 c\u00e1i online cung c\u1ea5p c\u00e1c h\u00ecnh th\u1ee9c ch\u01a1i l\u00f4 \u0111\u1ec1 cho c\u00e1c anh em. B\u1ea1n h\u00e3y s\u00e1ng su\u1ed1t, t\u1ec9nh t\u00e1o khi l\u1ef1a ch\u1ecdn c\u00e1ch ch\u01a1i v\u00e0 nh\u00e0 c\u00e1i uy t\u00edn nh\u1ea5t \u0111\u1ec3 c\u00f3 th\u1ec3 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho m\u00ecnh.<\/p>\n \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1 chuy\u00ean nghi\u1ec7p, l\u00e2u n\u0103m th\u00ec kh\u00f4ng bao gi\u1edd ch\u1ec9 tr\u00f4ng \u0111\u1ee3i v\u00e0o v\u1eadn may c\u1ee7a m\u00ecnh m\u00e0 c\u1ea7n ph\u1ea3i c\u00f3 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p, kinh nghi\u1ec7m \u0111\u00e1nh k\u00e9p l\u1ec7ch g\u1ed3m nh\u1eefng con g\u00ec.<\/strong> \u0110i\u1ec1u \u0111\u00f3, l\u00fd gi\u1ea3i v\u00ec sao nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng xuy\u00ean ch\u01a1i l\u00f4 \u0111\u1ec1 th\u1eafng c\u00f2n nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e1nh m\u00e3i c\u0169ng kh\u00f4ng th\u1eafng.<\/p>\n<\/div>\n<\/div>\nK\u00e9p l\u1ec7ch g\u1ed3m nh\u1eefng con g\u00ec?<\/h2>\n
K\u00e9p d\u01b0\u01a1ng<\/h3>\n
K\u00e9p \u00e2m<\/h3>\n
S\u00e1t k\u00e9p<\/h3>\n
K\u00e9p l\u1ec7ch l\u00e0 con g\u00ec? K\u00e9p l\u1ec7ch g\u1ed3m nh\u1eefng s\u1ed1 n\u00e0o?<\/h2>\n
\n
Kinh nghi\u1ec7m khi ch\u01a1i \u0111\u1ec1 k\u00e9p l\u1ec7ch<\/h2>\n
soi c\u1ea7u chu\u1ea9n x\u00e1c mi\u1ec1n b\u1eafc<\/span><\/strong><\/h3>\n