{"id":18699,"date":"2024-04-19T21:28:24","date_gmt":"2024-04-19T21:28:24","guid":{"rendered":"https:\/\/soicau2017.minhngocxoso.com\/?p=18699"},"modified":"2024-04-19T21:28:24","modified_gmt":"2024-04-19T21:28:24","slug":"tim-hieu-ve-dan-de-dac-biet-cach-bat-dan-de-chuan","status":"publish","type":"post","link":"https:\/\/xemtrungroi.com\/tim-hieu-ve-dan-de-dac-biet-cach-bat-dan-de-chuan\/","title":{"rendered":"T\u00ecm hi\u1ec3u v\u1ec1 d\u00e0n \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t – C\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n"},"content":{"rendered":"

D\u00e0n \u0111\u1ec1 l\u00e0 g\u00ec? \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi tham gia c\u00e1 c\u01b0\u1ee3c th\u00ec ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00e1 l\u00e0 m\u1edbi l\u1ea1 v\u00e0 kh\u00f3 hi\u1ec3u. Hi\u1ec7n ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00e1 l\u00e0 ph\u1ed5 bi\u1ebfn nh\u01b0ng c\u0169ng kh\u00f4ng \u00edt ng\u01b0\u1eddi g\u1eb7p kh\u00f3 kh\u0103n trong c\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n. B\u00e0i vi\u1ebft sau s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u0169ng nh\u01b0 c\u00e1ch b\u1eaft \u0111\u1ec1 d\u00e0n chu\u1ea9n nh\u1ea5t b\u1ea1n kh\u00f4ng n\u00ean b\u1ecf<\/p>\n

T\u00ecm hi\u1ec3u v\u1ec1 d\u00e0n \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t<\/span><\/h2>\n

D\u00e0n \u0111\u1ec1 l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p d\u00f9ng k\u1ebft qu\u1ea3 c\u1ee7a con \u0111\u1ec1 ng\u00e0y h\u00f4m tr\u01b0\u1edbc \u0111\u1ec3 t\u00ednh to\u00e1n kh\u1ea3 n\u0103ng ra con \u0111\u1ec1 g\u00ec cho ng\u00e0y h\u00f4m sau. K\u1ebft qu\u1ea3 c\u1ee7a \u0111\u1ec1 d\u00e0n t\u00ednh ra s\u1ebd n\u1eb1m trong m\u1ed9t kho\u1ea3ng d\u00e0i nhi\u1ec1u con s\u1ed1 v\u00e0 ng\u01b0\u1eddi ch\u01a1i s\u1ebd ph\u1ea3i \u0111\u00e1nh t\u1ea5t c\u1ea3 c\u00e1c con s\u1ed1 \u0111\u00f3 \u0111\u1ec3 bao l\u00f4.<\/p>\n

D\u00e0n \u0111\u1ec1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng nhi\u1ec1u c\u00e1ch v\u00e0 d\u00f9ng c\u01a1 s\u1edf d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n \u0111\u1ec3 ph\u00e2n t\u00edch. Trong \u0111\u00f3, hi\u1ec7u qu\u1ea3 nh\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi tin d\u00f9ng nh\u1ea5t c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn l\u00e0 d\u1ef1a v\u00e0o gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. C\u00e1i t\u00ean n\u00f3i l\u00ean t\u1ea5t c\u1ea3, c\u00e1ch d\u00e0n \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t s\u1ebd l\u1ea5y d\u1eef li\u1ec7u c\u0103n chu\u1ea9n t\u00ednh to\u00e1n b\u1eb1ng k\u1ebft qu\u1ea3 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t x\u1ed5 s\u1ed1 truy\u1ec1n th\u1ed1ng c\u1ee7a \u0111\u00e0i ng\u01b0\u1eddi ch\u01a1i mu\u1ed1n \u0111\u00e1nh \u0111\u1ec3 t\u00ednh to\u00e1n.<\/p>\n

\u01afu \u0111i\u1ec3m c\u1ee7a c\u00e1ch b\u1eaft \u0111\u1ec1 d\u00e0n l\u00e0 c\u00e1ch t\u00ednh \u0111\u01a1n gi\u1ea3n, t\u1ef7 l\u1ec7 tr\u00fang cao, \u0111\u00e0i n\u00e0o c\u0169ng c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 t\u00ednh hi\u1ec7u qu\u1ea3. Tuy nhi\u00ean, c\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 c\u00f3 m\u1ed9t nh\u01b0\u1ee3c \u0111i\u1ec3m kh\u00e1 l\u1edbn l\u00e0 n\u00f3 kh\u00f4ng d\u00e0nh cho ng\u01b0\u1eddi ch\u01a1i \u0111\u1ec1 c\u00f3 v\u1ed1n y\u1ebfu. Nguy\u00ean nh\u00e2n l\u00e0 v\u00ec m\u1ed9t l\u1ea7n \u0111\u00e1nh ng\u01b0\u1eddi ch\u01a1i s\u1ebd ph\u1ea3i \u0111\u00e1nh t\u1ea5t c\u1ea3 c\u00e1c k\u1ebft qu\u1ea3 t\u00ednh ra \u0111\u01b0\u1ee3c v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecf s\u00f3t b\u1ea5t c\u1ee9 con s\u1ed1 n\u00e0o. Ch\u00ednh v\u00ec v\u1eady, ng\u01b0\u1eddi ch\u01a1i bu\u1ed9c ph\u1ea3i c\u00f3 s\u1ed1 v\u1ed1n l\u1edbn m\u1edbi c\u00f3 th\u1ec3 ch\u01a1i \u0111\u1ec1 d\u00e0n \u0111\u01b0\u1ee3c.<\/p>\n

H\u01a1n n\u1eefa khi ch\u01a1i \u0111\u1ec1 d\u00e0n ng\u01b0\u1eddi ch\u01a1i c\u00f3 khi ph\u1ea3i nu\u00f4i \u0111\u1ec1 trong nhi\u1ec1u ng\u00e0y. M\u1ed9t khi nu\u00f4i ph\u1ea3i ki\u00ean tr\u00ec \u0111\u1ebfn khi \u0103n ho\u1eb7c c\u1ea7u g\u00e3y m\u1edbi c\u00f3 th\u1ec3 \u0111\u1ed5i d\u00e0n. N\u1ebfu b\u1ecf ngang c\u1ea7u d\u00e0n \u0111ang nu\u00f4i th\u00ec s\u1ebd b\u1ecb m\u1ea5t c\u1ea3 ch\u00ec l\u1eabn ch\u00e0i.<\/p>\n

C\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n d\u1ef1a theo gi\u1ea3i \u0111\u1eb7c bi\u1ec7t h\u00e0ng ng\u00e0y<\/span><\/h2>\n

Ph\u01b0\u01a1ng ph\u00e1p b\u1eaft \u0111\u1ec1 d\u00e0n \u0111\u1eb7c bi\u1ec7t h\u00e0ng ng\u00e0y l\u00e0 c\u00e1ch b\u1eaft \u0111\u1ec1 d\u00e0n d\u1ef1a v\u00e0o k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t h\u00e0ng ng\u00e0y \u0111\u1ec3 t\u00ednh. C\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n nh\u1ea5t trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y kh\u00e1 \u0111a d\u1ea1ng. Ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 b\u1eaft l\u00f4 d\u00e0n theo t\u1ed5ng c\u1eb7p s\u1ed1, b\u1ed9 s\u1ed1, theo \u0111\u1ea7u \u2013 \u0111u\u00f4i,\u2026. C\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n

C\u00e1c d\u00e0n l\u00f4 \u0111\u1ec1 theo t\u1ed5ng c\u1eb7p s\u1ed1:<\/p>\n

    \n
  • D\u00e0n l\u00f4 \u0111\u1ec1 t\u1ed5ng 0: 00, 55, 64, 46, 73, 37, 82, 28, 91, 19.<\/li>\n
  • D\u00e0n l\u00f4 \u0111\u1ec1 t\u1ed5ng 1: 10, 01, 92, 29, 83, 38, 74, 47, 65, 56.<\/li>\n
  • D\u00e0n l\u00f4 \u0111\u1ec1 t\u1ed5ng 2: 20, 02, 93, 39, 84, 48, 75, 57, 11, 66.<\/li>\n
  • D\u00e0n l\u00f4 \u0111\u1ec1 t\u1ed5ng 3: 30, 03, 21, 12, 94, 49, 85, 58, 76, 67.<\/li>\n
  • D\u00e0n l\u00f4 \u0111\u1ec1 t\u1ed5ng 4: 40, 04, 32, 13, 95, 59, 86, 68, 77, 22.<\/li>\n
  • D\u00e0n l\u00f4 \u0111\u1ec1 t\u1ed5ng 5: 50, 05, 41, 14, 32, 23, 96, 69, 78, 87.<\/li>\n
  • D\u00e0n l\u00f4 \u0111\u1ec1 t\u1ed5ng 6: 60, 06, 51, 15, 42, 24, 97, 79, 88, 33.<\/li>\n
  • D\u00e0n l\u00f4 \u0111\u1ec1 t\u1ed5ng 7: 70, 07, 61, 16, 52, 25, 43, 34, 89, 98.<\/li>\n
  • D\u00e0n l\u00f4 \u0111\u1ec1 t\u1ed5ng 8: 80, 08, 71, 17, 62, 26, 53, 35, 99, 44.<\/li>\n
  • D\u00e0n l\u00f4 \u0111\u1ec1 t\u1ed5ng 9: 90, 09, 81, 18, 72, 27, 63, 36, 54, 45.<\/li>\n<\/ul>\n
    C\u00e1c d\u00e0n \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t theo \u0111\u1ea7u:<\/h5>\n
      \n
    • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111\u1ea7u 0: 09, 08, 07, 06, 05, 04, 03, 02, 01, 00.<\/li>\n
    • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111\u1ea7u 1: 19, 18, 17, 16, 15, 14, 13, 12, 11, 10.<\/li>\n
    • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111\u1ea7u 2: 29, 28, 27, 26, 25, 24, 23, 22, 21, 20.<\/li>\n
    • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111\u1ea7u 3: 39, 38, 37, 36, 35, 34, 33, 32, 31, 30.<\/li>\n
    • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111\u1ea7u 4: 49, 48, 47, 46, 45, 44, 43, 42, 41, 40.<\/li>\n
    • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111\u1ea7u 5: 59, 58, 57, 56, 55, 54, 53, 52, 51, 50.<\/li>\n
    • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111\u1ea7u 6: 69, 68, 67, 66, 65, 64, 63, 62, 61, 60.<\/li>\n
    • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111\u1ea7u 7: 79, 78, 77, 76, 75, 74, 73, 72, 71, 70.<\/li>\n
    • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111\u1ea7u 8: 89, 88, 87, 86, 85, 84, 83, 82, 81, 80.<\/li>\n
    • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111\u1ea7u 9: 99, 98, 97, 96, 95, 94, 93, 92, 91, 90.<\/li>\n<\/ul>\n

      C\u00e1c d\u00e0n l\u00f4 \u0111\u1ec1 theo \u0111u\u00f4i:<\/p>\n

        \n
      • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111u\u00f4i 0: 90, 80, 70, 60, 50, 40, 30, 20, 10, 00..<\/li>\n
      • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111u\u00f4i 1: 91, 81, 71, 61, 51, 41, 31, 21, 11, 01.<\/li>\n
      • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111u\u00f4i 2: 92, 82, 72, 62, 52, 42, 32, 22, 12, 02.<\/li>\n
      • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111u\u00f4i 3: 93, 83, 73, 63, 53, 43, 33, 23, 13, 03.<\/li>\n
      • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111u\u00f4i 4: 94, 84, 74, 64, 54, 44, 34, 24, 14, 04.<\/li>\n
      • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111u\u00f4i 5: 95, 85, 75, 65, 55, 45, 35, 25, 15, 05.<\/li>\n
      • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111u\u00f4i 6: 96, 86, 76, 66, 56, 46, 36, 26, 16, 06.<\/li>\n
      • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111u\u00f4i 7: 97, 87, 77, 67, 57, 47, 37, 27, 17, 07.<\/li>\n
      • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111u\u00f4i 8: 98, 88, 78, 68, 58, 48, 38, 28, 18, 08.<\/li>\n
      • D\u00e0n l\u00f4 \u0111\u1ec1 \u0111u\u00f4i 9: 99, 89, 79, 69, 59, 49, 39, 29, 19, 09.<\/li>\n<\/ul>\n

        Chia s\u1ebb c\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t khung 3 trong ng\u00e0y<\/span><\/h2>\n

        B\u1eaft d\u00e0n \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t khung 3 trong ng\u00e0y l\u00e0 c\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n nh\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e1c tay ch\u01a1i l\u00e3o l\u00e0ng tin d\u00f9ng. V\u1edbi c\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n n\u00e0y c\u00e1c b\u1ea1n s\u1ebd thao t\u00e1c c\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n

        B\u01b0\u1edbc 1: Ng\u01b0\u1eddi ch\u01a1i c\u1ea7n th\u1ed1ng k\u00ea b\u1ea3ng s\u1ed1 \u0111\u1ea7u \u0111u\u00f4i xu\u1ea5t hi\u1ec7n trong v\u00f2ng \u00edt nh\u1ea5t 20 ng\u00e0y tr\u1edf l\u1ea1i \u0111\u00e2y c\u1ee7a \u0111\u00e0i x\u1ed5 s\u1ed1 c\u1ea7n \u0111\u00e1nh.<\/p>\n

        B\u01b0\u1edbc 2: Ki\u1ec3m tra v\u00e0 l\u1ecdc ra nh\u1eefng con s\u1ed1 \u0111\u1ea7u \u0111u\u00f4i c\u00f3 t\u1ea7n su\u1ea5t v\u1ec1 nhi\u1ec1u v\u00e0 gh\u00e9p t\u1ea5t c\u1ea3 ch\u00fang l\u1ea1i v\u1edbi nhau.<\/p>\n

        B\u01b0\u1edbc 3: R\u00fat ra d\u00e0n \u0111\u1ec1 c\u1ea7n \u0111\u00e1nh v\u00e0 nu\u00f4i khung d\u00e0n \u0111\u1ec1 \u0111\u00f3 cho \u0111\u1ebfn khi \u0111\u1ec1 v\u1ec1 tr\u00fang d\u00e0n c\u1ee7a m\u00ecnh.<\/p>\n

        V\u00ed d\u1ee5:<\/p>\n

        B\u01b0\u1edbc 1: C\u00e1c b\u1ea1n th\u1ed1ng k\u00ea k\u1ebft qu\u1ea3 c\u00e1c con s\u1ed1 xu\u1ea5t hi\u1ec7n nhi\u1ec1u trong v\u00f2ng 30 ng\u00e0y c\u1ee7a \u0111\u00e0i x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft mi\u1ec1n B\u1eafc \u0111\u1ec3 \u0111\u00e1nh l\u00f4 \u0111\u1ec1 mi\u1ec1n B\u1eafc.<\/p>\n

        B\u01b0\u1edbc 2: Gh\u00e9p 5 s\u1ed1 \u1edf danh s\u00e1ch \u0111\u1ea7u v\u00e0 4 s\u1ed1 cho danh s\u00e1ch \u0111u\u00f4i cho ra k\u1ebft qu\u1ea3 l\u1ea7n l\u01b0\u1ee3t l\u00e0 3 \u2013 9 \u2013 2 \u2013 8 \u2013 1 \u2013 2 \u2013 3 \u2013 4 \u2013 5.<\/p>\n

        B\u01b0\u1edbc 3: B\u1eaft c\u1eb7p l\u1ea7n l\u01b0\u1ee3t theo nguy\u00ean t\u1eafc 1 con \u0111\u1ea7u gh\u00e9p v\u1edbi 4 con \u0111u\u00f4i cho \u0111\u1ebfn h\u1ebft. D\u00e0n \u0111\u1ec1 l\u00fac n\u00e0y b\u1ea1n c\u00f3 s\u1ebd l\u00e0 32, 33, 34, 35, 92, 93, 94, 95, 22, 23, 24, 25, 82, 83, 84, 85, 12, 13, 14, 15.<\/p>\n

        L\u01b0u \u00fd: Ch\u1ec9 nu\u00f4i khung kh\u00f4ng qu\u00e1 3 ng\u00e0y. C\u00e0ng v\u1ec1 sau s\u1ebd c\u00e0ng r\u1ee7i ro.<\/p>\n

        \"\"<\/p>\n

        Nu\u00f4i d\u00e0n \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t 25 s\u1ed1 khung 5 trong ng\u00e0y<\/span><\/h2>\n

        Nu\u00f4i \u0111\u1ec1 d\u00e0n \u0111\u1eb7c bi\u1ec7t 25 s\u1ed1 khung 5 ng\u00e0y l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 trong ng\u00e0y h\u00e0ng \u0111\u1ea7u hi\u1ec7n nay trong gi\u1edbi l\u00f4 \u0111\u1ec1 chuy\u00ean nghi\u1ec7p. C\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n n\u00e0y c\u00f3 kh\u00e1 nhi\u1ec1u c\u00e1ch t\u1ed5ng h\u1ee3p v\u00e0 ch\u1eaft l\u1ecdc. N\u1ed5i tr\u1ed9i nh\u1ea5t ph\u1ea3i k\u1ec3 \u0111\u1ebfn l\u00e0:<\/p>\n

        C\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n 25 s\u1ed1 theo Ch\u1eb5n \u2013 Ch\u1eb5n<\/p>\n

          \n
        • C\u00e1c con s\u1ed1 c\u00f3 \u0111\u01b0\u1ee3c l\u00e0: 00, 22, 44, 66, 88, 02, 20, 04, 40, 06, 60, 08, 80, 24, 42, 26, 62 , 28, 82, 46, 64, 48, 84, 68, 86.<\/li>\n
        • T\u1ea7n su\u1ea5t: 8-12 ng\u00e0y,<\/li>\n
        • C\u00f3 max: 35 ng\u00e0y.<\/li>\n<\/ul>\n

          C\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n 25 s\u1ed1 theo L\u1ebb \u2013 L\u1ebb<\/p>\n

            \n
          • C\u00e1c con s\u1ed1 c\u00f3 \u0111\u01b0\u1ee3c l\u00e0: 11, 33, 55, 77, 99, 13, 31, 15, 51, 17, 71, 19, 91, 35, 53, 37, 73 , 39, 93, 57, 75, 59, 95, 79, 97.<\/li>\n
          • T\u1ea7n su\u1ea5t: 8-12 ng\u00e0y.<\/li>\n
          • C\u00f3 max: 28 ng\u00e0y.<\/li>\n<\/ul>\n

            C\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n 25 s\u1ed1 theo Ch\u1eb5n \u2013 L\u1ebb<\/p>\n

              \n
            • C\u00e1c con s\u1ed1 c\u00f3 \u0111\u01b0\u1ee3c l\u00e0: 01, 03, 05, 07, 09, 21, 23, 25, 27, 29, 41, 43, 45, 47, 49, 61, 63 , 65, 67, 69, 81, 83, 85, 87, 89.<\/li>\n
            • T\u1ea7n su\u1ea5t: 8-12 ng\u00e0y<\/li>\n
            • C\u00f3 max: 31 ng\u00e0y.<\/li>\n<\/ul>\n
              C\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n 25 s\u1ed1 theo L\u1ebb \u2013 Ch\u1eb5n<\/h5>\n
                \n
              • C\u00e1c con s\u1ed1 c\u00f3 \u0111\u01b0\u1ee3c l\u00e0: 10, 12, 14, 16, 18, 30, 32, 34, 36, 38, 50, 52, 54, 56, 58, 70, 72 , 74, 76, 78, 90, 92, 94, 96, 98.<\/li>\n
              • T\u1ea7n su\u1ea5t: 8-12 ng\u00e0y.<\/li>\n
              • C\u00f3 max: 30 ng\u00e0y.<\/li>\n<\/ul>\n

                C\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n 25 s\u1ed1 theo Nh\u1ecf \u2013 Nh\u1ecf<\/p>\n