{"id":18070,"date":"2024-04-02T09:15:24","date_gmt":"2024-04-02T09:15:24","guid":{"rendered":"https:\/\/soicau2031.minhngocxoso.com\/?p=18070"},"modified":"2024-04-02T09:15:24","modified_gmt":"2024-04-02T09:15:24","slug":"phuong-phap-lap-dan-de-36-so-bach-chien-bach-thang","status":"publish","type":"post","link":"https:\/\/soicaudep3mien.com\/phuong-phap-lap-dan-de-36-so-bach-chien-bach-thang\/","title":{"rendered":"ph\u01b0\u01a1ng ph\u00e1p l\u1eadp d\u00e0n \u0111\u1ec1 36 s\u1ed1 b\u00e1ch chi\u1ebfn b\u00e1ch th\u1eafng"},"content":{"rendered":"
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Trong l\u00f4 \u0111\u1ec1, c\u00e1c con s\u1ed1 v\u1eeba gi\u00fap b\u1ea1n gi\u1ea3i tr\u00ed l\u1ea1i c\u00f3 th\u1ec3 ki\u1ebfm th\u00eam thu nh\u1eadp t\u1eeb ch\u00fang. Mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c chi\u1ebfn th\u1eafng, b\u1eaft bu\u1ed9c b\u1ea1n ph\u1ea3i c\u00f3 s\u1ef1 nh\u1ea1y b\u00e9n, ki\u1ebfn th\u1ee9c l\u00f4 \u0111\u1ec1 c\u01a1 b\u1ea3n. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi tham gia, l\u1ef1a ch\u1ecdn c\u00e1ch l\u1eadp d\u00e0n 36 s\u1ed1 \u0111\u1ec1 l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn th\u00f4ng minh, an to\u00e0n.<\/p>\n
D\u01b0\u1edbi \u0111\u00e2y l\u00e0 hai ph\u01b0\u01a1ng ph\u00e1p l\u1eadp d\u00e0n 36 s\u1ed1 ph\u1ed5 bi\u1ebfn, x\u00e1c su\u1ea5t n\u1ed5 cao b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o:<\/p>\n
\u0110\u1ed1i v\u1edbi nh\u1eefng l\u00f4 th\u1ee7 c\u00f3 nhi\u1ec1u n\u0103m nghi\u00ean c\u1ee9u, t\u00ecm hi\u1ec3u con s\u1ed1 h\u1eb3n \u0111\u00e3 th\u1eed qua ph\u01b0\u01a1ng ph\u00e1p n\u00e0y. Nh\u01b0 \u0111\u00e3 chia s\u1ebb ph\u00eda tr\u00ean, c\u00e1ch nu\u00f4i d\u00e0n \u0111\u1ec1 36 s\u1ed1 khung 3 ng\u00e0y c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 d\u00e0n 20 s\u1ed1. Ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 d\u1ef1a theo t\u1ed5ng c\u1ee7a hai s\u1ed1 cu\u1ed1i xu\u1ea5t hi\u1ec7n trong gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y h\u00f4m \u0111\u00f3 \u0111\u1ec3 l\u1eadp n\u00ean d\u00e0n \u0111\u1ec1 v\u1edbi t\u1ed5ng tr\u00ean ho\u1eb7c d\u01b0\u1edbi 10.<\/p>\n
L\u00f4 th\u1ee7 l\u1eadp d\u00e0n \u0111\u1ec1 36 con khung 3 ng\u00e0y b\u1eb1ng c\u00e1ch d\u1ef1a theo c\u00f4ng th\u1ee9c x \u2013 ( x + 5 ). Gi\u1ea3 d\u1ee5 d\u00e0n g\u1ed3m cso 2 \u2013 7, 0 \u2013 5, 3 \u2013 8, 1 \u2013 6\u2026 C\u1ee5 th\u1ec3 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c chia l\u00e0m hai lo\u1ea1i ch\u00ednh nh\u01b0 sau:<\/p>\n
\u0110\u1ed1i v\u1edbi c\u00e1ch l\u1eadp d\u00e0n n\u00e0y, ch\u00fang ta d\u1ef1a theo c\u00e1ch t\u00ednh t\u1ed5ng c\u1ee7a 2 s\u1ed1 cu\u1ed1i c\u00f9ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. Sau \u0111\u00f3 t\u00ecm ra nh\u1eefng con s\u1ed1 v\u1edbi t\u1ed5ng tr\u00ean ho\u1eb7c d\u01b0\u1edbi 10 ch\u00ednh x\u00e1c nh\u1ea5t. Gi\u1ea3 d\u1ee5 KQXS v\u1ec1 con 72421, \u0111\u1ec1 cu\u1ed1i l\u00e0 21.<\/p>\n
T\u1ed5ng c\u1ee7a ch\u00fang l\u00fac n\u00e0y s\u1ebd l\u00e0 3 (nh\u1ecf h\u01a1n 10). Con s\u1ed1 \u0111\u01b0\u1ee3c l\u1eadp \u0111\u1ec1 c\u00f3 t\u1ed5ng nh\u1ecf h\u01a1n 10 nh\u01b0 sau: 01 \u2013 10 \u2013 11 \u2013 02 \u2013 20 \u2013 21 \u2013 03 \u2013 30 \u2013 31 \u2013 04 \u2013 40 \u2013 41 \u2013 05 \u2013 51 \u2013 52 \u2013 06 \u2013 60 \u2013 61 \u2013 62- 07 \u2013 70 \u2013 71 \u2013 15 \u2013 16 \u2013 17 -23 \u2013 24 \u2013 25 \u2013 26 \u2013 34 \u2013 35 \u2013 36 \u2013 43 \u2013 44 \u2013 45 \u2013 12 \u2013 13 \u2013 14 \u2013 18 \u2013 22 \u2013 27 \u2013 32 \u2013 33 \u2013 42 \u2013 53 \u2013 54 \u2013 63 \u2013 72 \u2013 08 \u2013 80 \u2013 81 \u2013 09.<\/p>\n
<\/p>\n
N\u1ebfu d\u1ef1a theo k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 mi\u1ec1n b\u1eafc ng\u00e0y 9 c\u00f3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 43375 th\u00ec ta c\u00f3 t\u1ed5ng 2 s\u1ed1 cu\u1ed1i l\u00e0 7 + 5, 12 > 10. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1ch, ch\u00fang ta \u0111\u01b0\u1ee3c d\u00e0n \u0111\u1ec1 g\u1ed3m 36 s\u1ed1 nh\u01b0 sau 29, 38, 78, 98, 99, 79, 48, 49, 58, 39, 47,59, 85, 93, 94, 86, 65, 77, 83, 66, 56, 57, 67, 68, 75, 76, 69, 74, 84, 87, 95, 96, 88, 89, 92, 97.<\/p>\n
D\u1ef1a v\u00e0o ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh nh\u01b0 th\u1ebf n\u00e0y, ch\u1eafc ch\u1eafn ng\u01b0\u1eddi ch\u01a1i s\u1ebd c\u00f3 th\u1ec3 t\u00ecm cho m\u00ecnh \u0111\u01b0\u1ee3c con s\u1ed1 ph\u00f9 h\u1ee3p. Nh\u1ea5t l\u00e0 nh\u1eefng ng\u01b0\u1eddi m\u1edbi t\u1eadp ch\u01a1i c\u0169ng, c\u00f3 th\u1ec3 \u0111\u00e1nh d\u00e0n \u0111\u1ec1 36 con n\u00e0y m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng.<\/p>\n
N\u1ebfu ch\u01b0a bi\u1ebft r\u00f5 v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p nu\u00f4i d\u00e0n \u0111\u1ec1 20 s\u1ed1, ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 xem l\u1ea1i \u0111\u1ec3 hi\u1ec3u h\u01a1n. C\u00e1ch t\u00ednh d\u1ef1a v\u00e0o \u0111\u00f3 \u0111\u1ec3 t\u00ecm ra \u0111\u01b0\u1ee3c c\u00e1c con s\u1ed1 trong d\u00e0n \u0111\u1ec1 36 s\u1ed1. Ch\u00fang ta s\u1ebd bi\u1ebfn t\u1ea5u ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111i m\u1ed9t ch\u00fat. Thay v\u00ec l\u00f4 th\u1ee7 ph\u1ea3i l\u1ea5y 4 s\u1ed1 \u0111u\u00f4i v\u00e0 5 s\u1ed1 \u0111\u1ea7u nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p d\u00e0n \u0111\u1ec1 20 s\u1ed1. L\u00fac n\u00e0y, ng\u01b0\u1eddi ch\u01a1i s\u1ebd c\u1ea7n l\u1ea5y l\u00ean th\u00e0nh 6 s\u1ed1 \u0111u\u00f4i v\u00e0 6 s\u1ed1 \u0111\u1ea7u. Gi\u1ea3 d\u1ee5, d\u1ef1a theo b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft mi\u1ec1n B\u1eafc ng\u00e0y 02\/05, ta \u0111\u01b0\u1ee3c d\u00e0n 36 s\u1ed1 c\u1ea7n t\u00ecm nh\u01b0 sau:<\/p>\n
56 \u2013 54 \u2013 51 \u2013 53 \u2013 52 \u2013 55<\/p>\n
86 \u2013 84 \u2013 81 \u2013 83 \u2013 82 \u2013 85<\/p>\n
06 \u2013 04 \u2013 01 \u2013 03 \u2013 02 \u2013 05<\/p>\n
16 \u2013 14 \u2013 11 \u2013 13 \u2013 12 \u2013 15<\/p>\n
76 \u2013 74 \u2013 71 \u2013 73 \u2013 72 \u2013 75<\/p>\n
96 \u2013 94 \u2013 91 \u2013 93 \u2013 92 \u2013 95<\/p>\n
<\/p>\n
C\u00e1c l\u1eadp d\u00e0n n\u00e0y \u0111\u00f2i h\u1ecfi \u1edf ng\u01b0\u1eddi ch\u01a1i s\u1ef1 ki\u00ean tr\u00ec, kh\u00f4ng \u0111\u01b0\u1ee3c n\u00f3ng v\u1ed9i. B\u1edfi ch\u1ec9 c\u1ea7n t\u00ednh to\u00e1n sau m\u1ed9t b\u01b0\u1edbc n\u00e0o \u0111\u1ea5y, b\u1ea1n s\u1ebd ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1i k\u1ebft th\u1ea3m. B\u00ean c\u1ea1nh \u0111\u00f3, c\u1ea7n t\u00ecm c\u00f3 cho m\u00ecnh ngu\u1ed3n t\u00e0i ch\u00ednh v\u1eefng m\u1ea1nh. C\u00f3 nh\u01b0 v\u1eady b\u1ea1n m\u1edbi kh\u00f4ng b\u1ecf s\u00f3t b\u1ea5t c\u1ee9 c\u01a1 h\u1ed9i d\u00e0nh chi\u1ebfn th\u1eafng n\u00e0o b\u1ecb b\u1ecf s\u00f3t khi l\u1eadp d\u00e0n \u0111\u1ec1 36 s\u1ed1 khung 3 ng\u00e0y.<\/p>\n
\u0110\u1ed1i v\u1edbi d\u00e0n 36 s\u1ed1, nhi\u1ec1u l\u00f4 th\u1ee7 hay \u0111\u01b0a ra l\u1eddi khuy\u00ean l\u00e0 n\u00ean ch\u1ecdn nu\u00f4i khung 5 ng\u00e0y thay v\u00ec 3 ng\u00e0y. Nh\u00ecn chung, c\u00e1ch n\u00e0o c\u0169ng c\u00f3 th\u1ec3 mang v\u1ec1 cho ng\u01b0\u1eddi ch\u01a1i chi\u1ebfn th\u1eafng \u0111\u01a1n gi\u1ea3n, kh\u00e1 d\u1ec5 d\u00e0ng. L\u00fd do d\u1eabn \u0111\u1ebfn s\u1ef1 l\u1ef1a ch\u1ecdn n\u00e0y \u0111\u00f3 l\u00e0 th\u01b0\u1eddng s\u1ebd c\u00f3 1 con \u0111\u1ec1 r\u01a1i v\u00e0o ng\u00e0y th\u1ee9 nh\u1ea5t, th\u1ee9 2, th\u1ee9 3. Nh\u01b0ng c\u0169ng c\u00f3 m\u1ed9t con m\u00e3i t\u1edbi ng\u00e0y th\u1ee9 4 m\u1edbi xu\u1ea5t hi\u1ec7n.<\/p>\n
Do \u0111\u00f3, vi\u1ec7c l\u1eadp khung 5 ng\u00e0y s\u1ebd \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 \u0103n th\u01b0\u1edfng cao h\u01a1n 3 ng\u00e0y. Ng\u01b0\u1eddi ch\u01a1i s\u1ebd d\u1eebng vi\u1ec7c nu\u00f4i l\u1ea1i trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ee3i \u0111\u1ebfn ng\u00e0y th\u1ee9 5 m\u00e0 d\u00e0n v\u1eabn kh\u00f4ng v\u1ec1. B\u1ea1n c\u00f3 c\u1ed1 g\u1eafng nu\u00f4i th\u00ec ch\u1ec9 khi\u1ebfn b\u1ea3n th\u00e2n m\u00ecnh t\u1ed1n c\u00f4ng s\u1ee9c, ti\u1ec1n c\u1ee7a. L\u1ee3i l\u1ed9c nh\u1eadn v\u1ec1 t\u1ef1a m\u00e2y gi\u00f3. C\u00e1ch l\u1eadp d\u00e0n \u1edf khung 5 ng\u00e0y t\u01b0\u01a1ng t\u1ef1, ch\u1ec9 kh\u00e1c l\u00e0 th\u1eddi gian nu\u00f4i n\u00ean ng\u01b0\u1eddi ch\u01a1i kh\u00f4ng c\u1ea7n qu\u00e1 b\u1eadn t\u00e2m.
\n<\/p>\n
Trong l\u00f4 \u0111\u1ec1, c\u00e1c con s\u1ed1 v\u1eeba gi\u00fap b\u1ea1n gi\u1ea3i tr\u00ed l\u1ea1i c\u00f3 th\u1ec3 ki\u1ebfm th\u00eam thu nh\u1eadp t\u1eeb ch\u00fang. Mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c chi\u1ebfn th\u1eafng, b\u1eaft bu\u1ed9c b\u1ea1n ph\u1ea3i c\u00f3… Read more »<\/a><\/p>\n","protected":false},"author":1,"featured_media":18071,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[259],"tags":[753,754,752,755,751,750],"yoast_head":"\n