<\/span><\/h4>\nH\u00e3y quan s\u00e1t b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1, xem ng\u00e0y h\u00f4m nay c\u00f3 \u0111\u1ea7u con l\u00f4 n\u00e0o c\u00e2m, n\u1ebfu trong v\u00f2ng 3 ng\u00e0y sau \u0111\u00f3 m\u00e0 kh\u00f4ng th\u1ea5y ra l\u00f4 k\u00e9p c\u1ee7a \u0111\u1ea7u l\u00f4 c\u00e2m \u1ea5y th\u00ec nu\u00f4i l\u00f4 k\u00e9p trong 3 ng\u00e0y sau \u0111\u00f3 n\u1eefa s\u1ebd tr\u00fang.<\/span><\/p>\nV\u00ed d\u1ee5:<\/b> V\u00e0o th\u1ee9 2 h\u00e0ng tu\u1ea7n ra l\u00f4 \u0111\u1ea7u 6 c\u00e2m, th\u00ec b\u1ea1n n\u00ean quan s\u00e1t trong 3 ng\u00e0y ti\u1ebfp theo c\u00f3 con 66 v\u1ec1 kh\u00f4ng? N\u1ebfu con 66 kh\u00f4ng v\u1ec1 h\u00e3y nu\u00f4i l\u00f4 66 trong 3 ng\u00e0y li\u00ean t\u1ee5c b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ec3 thu v\u1ec1 nhi\u1ec1u gi\u1ea3i nh\u00e9.\u00a0<\/span><\/p>\nC\u00e1ch <\/span>soi c\u1ea7u l\u00f4 h\u00e0ng ng\u00e0y<\/b> b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p l\u00f4 k\u00e9p n\u00e0y \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u anh em l\u00f4 th\u1ee7 nh\u1eadn v\u1eadn d\u1ee5ng c\u1ea3 \u0111\u1ea7u c\u00e2m v\u00e0 \u0111u\u00f4i c\u00e2m. M\u1eb7c kh\u00e1c, t\u1ef7 su\u1ea5t \u0111u\u00f4i c\u00e2m l\u1ea1i v\u1ec1 \u00edt h\u01a1n \u0111\u1ea7u c\u00e2m. Hay n\u00f3i c\u00e1ch kh\u00e1c l\u00e0 trong 3 ng\u00e0y li\u00ean ti\u1ebfp, t\u1ea5t c\u1ea3 ng\u01b0\u1eddi ch\u01a1i c\u1ea7n theo d\u00f5i xem t\u1ef7 su\u1ea5t v\u1ec1 c\u1ee7a con l\u00f4 \u0111\u00f3. V\u00ec v\u1eady, \u0111\u1ec3 th\u00e0nh c\u00f4ng xu\u1ea5t s\u1eafc s\u1ebd ph\u1ea3i c\u00f3 th\u1eddi gian ch\u1edd \u0111\u1ee3i .<\/span><\/p>\n<\/span>Soi l\u00f4 k\u00e9p b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p d\u1ef1 \u0111o\u00e1n l\u00f4 d\u1ef1a v\u00e0o gi\u1ea3i \u0111\u1eb7c bi\u1ec7t.<\/i><\/b><\/span><\/h4>\nN\u1ebfu trong m\u1ed7i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a b\u1ea3ng x\u1ed5 s\u1ed1 v\u1ec1 m\u00e0 c\u00f3 hai ch\u1eef s\u1ed1 li\u1ec1n nhau th\u00ec b\u00e1o hi\u1ec7u s\u1eafp c\u00f3 l\u00f4 k\u00e9p v\u1ec1 v\u00e0 b\u1ea1n c\u1ea7n quan s\u00e1t th\u1eadt k\u1ef9 tr\u01b0\u1edbc khi nu\u00f4i l\u00f4 k\u00e9p \u1ea5y trong v\u00f2ng 3 ng\u00e0y nh\u00e9.<\/span><\/p>\nV\u00ed d\u1ee5:<\/b> Gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 l\u00f4 5 ch\u1eef s\u1ed1 nh\u01b0 05537. Ngh\u0129a l\u00e0 c\u00f3 h\u01a1n 55 c\u1eb7p s\u1ed1 g\u1ea7n nhau. Th\u00ec nu\u00f4i l\u00f4 k\u00e9p s\u1ed1 55 trong v\u00f2ng 3 ng\u00e0y \u0111\u1ec3 ch\u1edd k\u1ebft qu\u1ea3 chi\u1ebfn th\u1eafng. Ch\u1ecdn nh\u00e0 c\u00e1i uy t\u00edn \u0111\u1ec3 nu\u00f4i, v\u1eeba an to\u00e0n, tr\u1ea3 th\u01b0\u1edfng nhanh l\u1ea1i v\u1eeba \u0111\u01b0\u1ee3c h\u01b0\u1edfng t\u1ef7 l\u1ec7 ti\u1ec1n c\u1ea7u cao ng\u1ea5t ng\u01b0\u1edfng m\u1ed7i l\u1ea7n th\u1eafng.<\/span><\/p>\n<\/span>Soi l\u00f4 k\u00e9p \u1edf gi\u1ea3i 7<\/i><\/b><\/span><\/h4>\nTrong gi\u1ea3i 7 c\u1ee7a b\u1ea3ng k\u1ebft qu\u1ea3 m\u00e0 c\u00f3 xu\u1ea5t hi\u1ec7n \u0111\u1ea7u v\u00e0 \u0111u\u00f4i c\u00f9ng nhau th\u00ec kh\u1ea3 n\u0103ng l\u1edbn l\u00e0 l\u00f4 k\u00e9p s\u1ebd v\u1ec1.<\/span><\/p>\nV\u00ed d\u1ee5:<\/b> gi\u1ea3i 7 h\u00f4m nay c\u00f3 ra 4 c\u1eb7p nh\u01b0 sau: 41, 17, 35, 52. Trong \u0111\u00f3 c\u00f3 xu\u1ea5t hi\u1ec7n s\u1ed1 1 \u1edf \u0111u\u00f4i 1 \u1edf 41 v\u00e0 \u0111\u1ea7u 1 \u1edf 17. Nh\u01b0 v\u1eady c\u01a1 h\u1ed9i v\u1ec1 l\u00f4 k\u00e9p ng\u00e0y h\u00f4m sau l\u00e0 s\u1ed1 11 c\u1ef1c cao.<\/span><\/p>\n<\/span>4. Soi \u0111\u1ec1 l\u00f4 xi\u00ean \u0111\u01a1n gi\u1ea3n d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi ch\u01a1i\u00a0<\/b><\/span><\/h3>\nL\u00f4 xi\u00ean \u0111a ph\u1ea7n \u0111\u01b0\u1ee3c ng\u01b0\u1eddi m\u1edbi ch\u01a1i ch\u1ecdn v\u00ec \u0111\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i d\u1ec5 tr\u00fang, c\u1ea7n ch\u00fa tr\u1ecdng nh\u1ea5t l\u00e0 l\u00f4 xi\u00ean 2, xi\u00ean 3 v\u00e0 xi\u00ean 4. N\u00f3 l\u00e0 m\u1ed9t nh\u00f3m c\u00e1c s\u1ed1 r\u1eddi r\u1ea1c nhau \u0111\u01b0\u1ee3c gh\u00e9p l\u1ea1i th\u00e0nh c\u1eb7p. N\u1ebfu trong b\u1ea3ng x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft ng\u00e0y h\u00f4m \u0111\u00f3 v\u1ec1 \u0111\u01b0\u1ee3c \u0111\u1ee7 2, 3, 4 s\u1ed1 m\u00e0 b\u1ea1n \u0111\u00e1nh th\u00ec b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c tr\u00fang c\u1ea7u xi\u00ean \u0111\u00f3. V\u00e0 ch\u1eafc ch\u1eafn r\u1eb1ng t\u1ef7 su\u1ea5t \u0103n c\u1ee7a n\u00f3 l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh l\u00f4 b\u1ea1ch th\u1ee7.<\/span><\/p>\nHi\u1ec7n nay c\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch <\/span>soi c\u1ea7u l\u00f4 h\u00e0ng ng\u00e0y <\/b>ch\u00ednh x\u00e1c, nh\u01b0ng c\u00e1ch hay nh\u1ea5t \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n ch\u00ednh x\u00e1c c\u1ea7u n\u00e0y l\u00e0 ch\u1ecdn nh\u1eefng c\u1eb7p s\u1ed1 c\u00f3 ph\u1ea7n tr\u0103m \u0111i chung v\u1edbi nhau. Ho\u1eb7c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p l\u00f4 b\u1ea1ch th\u1ee7 v\u1edbi l\u00f4 k\u00e9p, c\u1eb7p ra c\u00f9ng nhau v\u1edbi b\u1ea1ch th\u1ee7 s\u1ebd c\u00f3 c\u01a1 h\u1ed9i th\u1eafng cao \u2026. \u0110\u1ec3 c\u00f3 c\u1ea7u xi\u00ean 2, xi\u00ean 3, xi\u00ean 4 t\u1ed1t nh\u1ea5t cho b\u1ea3n th\u00e2n th\u00ec b\u1ea1n n\u00ean nghi\u00ean c\u1ee9u c\u00e1ch n\u00e0y nh\u00e9.<\/span><\/p>\n<\/span>Danh s\u00e1ch nh\u1eefng con s\u1ed1 th\u01b0\u1eddng v\u1ec1 c\u00f9ng nhau t\u1ef7 l\u1ec7 ch\u00ednh x\u00e1c \u0111\u1ebfn 90%<\/i><\/b><\/span><\/h4>\n\n- 373 hay v\u1ec1 c\u00f9ng 010<\/span><\/li>\n
- 25 v\u00e0 52 hay v\u1ec1 c\u00f9ng 22<\/span><\/li>\n
- 76 hay v\u1ec1 c\u00f9ng 47<\/span><\/li>\n
- 11 hay v\u1ec1 c\u00f9ng 44<\/span><\/li>\n
- 66 hay v\u1ec1 c\u00f9ng 33<\/span><\/li>\n
- 848 hay v\u1ec1 c\u00f9ng 979<\/span><\/li>\n
- 232 hay v\u1ec1 c\u00f9ng 747<\/span><\/li>\n
- 656 hay v\u1ec1 c\u00f9ng 272<\/span><\/li>\n
- 818 hay v\u1ec1 c\u00f9ng 99.<\/span><\/li>\n
- 00 hay \u0111i c\u00f9ng 10.<\/span><\/li>\n
- 11 hay \u0111i c\u00f9ng 01.<\/span><\/li>\n
- 51 hay \u0111i c\u00f9ng 15<\/span><\/li>\n
- 75 hay \u0111i c\u00f9ng 57<\/span><\/li>\n
- 18, 81 h\u00f4m tr\u01b0\u1edbc ra \u1edf gi\u1ea3i nh\u1ea5t r\u1ed3i th\u00ec h\u00f4m sau c\u00f3 kh\u1ea3 n\u0103ng ra s\u1ed1 97, s\u1ed1 99 v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/span><\/li>\n
- S\u1ed1 45 h\u00f4m nay ra r\u1ed3i th\u00ec h\u00f4m sau s\u1ebd ra l\u00f4 t\u00f4 s\u1ed1 595 hay s\u1ed1 09.<\/span><\/li>\n
- S\u1ed1 58 h\u00f4m nay m\u00e0 ra th\u00ec 3 ng\u00e0y sau c\u00f3 th\u1ec3 s\u1ebd ra s\u1ed1 63.<\/span><\/li>\n
- S\u1ed1 68 h\u00f4m nay ra th\u00ec 1 ng\u00e0y sau s\u1ebd tr\u1ea3 l\u1ea1i s\u1ed1 86.<\/span><\/li>\n
- H\u00f4m tr\u01b0\u1edbc, b\u1ea1n \u0111\u00e3 tr\u00fang L\u00f4 00 th\u00ec h\u00f4m sau ph\u1ea3i mua l\u1ea1i l\u00f4 99.<\/span><\/li>\n
- Gi\u1ea3i nh\u1ea5t ra l\u00f4 00 th\u00ec h\u00f4m sau \u0111\u1ec3 c\u1ea7u k\u00e9p ho\u1eb7c c\u00f3 l\u00f4 s\u1ed1 99.<\/span><\/li>\n
- Gi\u1ea3i nh\u1ea5t ho\u1eb7c gi\u1ea3i nh\u00ec tr\u00ean b\u1ea3ng k\u1ebft qu\u1ea3 l\u00e0 l\u00f4 18 th\u00ec h\u00f4m sau c\u00f3 l\u00f4 99.<\/span><\/li>\n
- H\u00f4m tr\u01b0\u1edbc c\u00f3 l\u00f4 s\u1ed1 15 ho\u1eb7c s\u1ed1 51 h\u00f4m sau th\u01b0\u1eddng tr\u1ea3 l\u1ea1i c\u1ea3 c\u1eb7p ho\u1eb7c s\u1ed1 15 hay s\u1ed1 51.<\/span><\/li>\n