{"id":17426,"date":"2024-04-17T06:10:23","date_gmt":"2024-04-17T06:10:23","guid":{"rendered":"http:\/\/soicau3017.minhngocxoso.com\/kqxs-ket-qua-xo-so-ketquaxoso-thong-ke-kqxs\/"},"modified":"2024-04-17T06:10:23","modified_gmt":"2024-04-17T06:10:23","slug":"phuong-phap-soi-cau-lo-bach-thu-mien-bac-theo-long-cau","status":"publish","type":"post","link":"https:\/\/soicaurongbachkim666.com\/phuong-phap-soi-cau-lo-bach-thu-mien-bac-theo-long-cau\/","title":{"rendered":"Ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u l\u00f4 b\u1ea1ch th\u1ee7 mi\u1ec1n b\u1eafc theo l\u1ed3ng c\u1ea7u"},"content":{"rendered":"
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=> AB l\u00e0 con B\u1ea1ch th\u1ee7 l\u00f4 c\u1ea7n \u0111\u00e1nh ng\u00e0y h\u00f4m nay(l\u1ea5y s\u1ed1 l\u1eb7p l\u1ea1i nhi\u1ec1u nh\u1ea5t l\u1ed3ng 8 l\u00e0 A. Gh\u00e9p v\u1edbi s\u1ed1 l\u1eb7p l\u1ea1i nhi\u1ec1u nh\u1ea5t l\u1ed3ng 9 l\u00e0 B) <\/b><\/b><\/p>\n<\/div>\n Ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u l\u00f4 b\u1ea1ch th\u1ee7 mi\u1ec1n b\u1eafc theo l\u1ed3ng c\u1ea7u n\u00e0y r\u1ea5t \u00edt khi xu\u1ea5t hi\u1ec7n. V\u00ec n\u00f3 c\u00f3 \u0111i\u1ec1u ki\u1ec7n l\u00e0 ph\u1ea3i ch\u1ecdn ra ch\u1ec9 1 s\u1ed1 l\u1eb7p l\u1ea1i nhi\u1ec1u nh\u1ea5t \u1edf l\u1ed3ng c\u1ea7u 8 v\u00e0 l\u1ed3ng c\u1ea7u 9 m\u00e0 c\u00f2n l\u1ea1i kh\u00f4ng c\u00f3 trong k\u1ebft qu\u1ea3 b\u1ea3ng l\u00f4 h\u00f4m \u0111\u00f3. N\u00ean khi xu\u1ea5t hi\u1ec7n c\u1ea7u n\u00e0y c\u00e1c b\u1ea1n ph\u1ea3i v\u1eadn d\u1ee5ng c\u01a1 h\u1ed9i \u0111\u00f3 nh\u00e9.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
Nguy\u00ean l\u00fd soi c\u1ea7u:
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<\/strong>B\u01b0\u1edbc 1:<\/strong><\/u> C\u00e1c b\u1ea1n s\u1ebd th\u1ed1ng k\u00ea c\u00e1c s\u1ed1 xu\u1ea5t hi\u1ec7n \u1edf l\u1ed3ng 8. L\u00e0 nh\u1eefng s\u1ed1 n\u00e0o v\u00e0 t\u00ecm xem s\u1ed1 n\u00e0o xu\u1ea5t hi\u1ec7n nhi\u1ec1u nh\u1ea5t.
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Tr\u01b0\u1eddng H\u1ee3p 1:<\/strong> \u1ede l\u1ed3ng 8 kh\u00f4ng c\u00f3 s\u1ed1 l\u1eb7p l\u1ea1i nhi\u1ec1u nh\u1ea5t. V\u00e0 c\u00f3 nhi\u1ec1u s\u1ed1 l\u1eb7p l\u1ea1i s\u1ed1 l\u1ea7n b\u1eb1ng nhau (Ngh\u0129a l\u00e0 s\u1ed1 l\u1ea7n ra nhi\u1ec1u nh\u1ea5t c\u00f3 nhi\u1ec1u s\u1ed1 gi\u1ed1ng nhau. VD: s\u1ed1 5 v\u00e0 s\u1ed1 6 \u0111\u1ec3u ra 2 l\u1ea7n v\u00e0 ko c\u00f3 s\u1ed1 n\u00e0o ra 3 l\u1ea7n tr\u1edf l\u00ean) => Lo\u1ea1i . Tr\u01b0\u1eddng h\u1ee3p n\u00e0y kh\u00f4ng v\u1eadn d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u l\u00f4 b\u1ea1ch th\u1ee7 n\u00e0y \u0111\u01b0\u1ee3c.
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Tr\u01b0\u1eddng H\u1ee3p 2:<\/strong> \u1ede l\u1ed3ng 8 xu\u1ea5t hi\u1ec7n 1 s\u1ed1 xu\u1ea5t hi\u1ec7n nhi\u1ec1u l\u1ea7n nh\u1ea5t = G\u1ecdi l\u00e0 A(Ngh\u0129a l\u00e0 ch\u1ec9 c\u00f3 1 s\u1ed1 xu\u1ea5t hi\u1ec7n nhi\u1ec1u nh\u1ea5t. VD s\u1ed1 4 xu\u1ea5t hi\u1ec7n 3 l\u1ea7n, v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 c\u00f2n l\u1ea1i ch\u1ec9 xu\u1ea5t hi\u1ec7n 2 l\u1ea7n tr\u1edf xu\u1ed1ng) => T\u1ed1t => Ti\u1ebfp t\u1ee5c \u0111\u1ebfn b\u01b0\u1edbc 2
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B\u01b0\u1edbc 2:<\/u><\/strong> T\u01b0\u01a1ng t\u1ef1 b\u01b0\u1edbc 1 nh\u01b0ng c\u00e1c b\u1ea1n s\u1ebd th\u1ed1ng k\u00ea . C\u00e1c s\u1ed1 xu\u1ea5t hi\u1ec7n \u1edf l\u1ed3ng 9 t\u00ecm ra xem s\u1ed1 l\u1eb7p l\u1ea1i nhi\u1ec1u nh\u1ea5t.
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Tr\u01b0\u1eddng H\u1ee3p 1:<\/strong> \u1ede l\u1ed3ng 9 kh\u00f4ng xu\u1ea5t hi\u1ec7n s\u1ed1 n\u00e0o l\u1eb7p l\u1ea1i v\u1edbi s\u1ed1 l\u1ea7n nhi\u1ec1u nh\u1ea5t (gi\u1ed1ng TH1 \u1edf b\u01b0\u1edbc 1) => Lo\u1ea1i . Kh\u00f4ng d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u b\u1ea1ch th\u1ee7 l\u00f4 n\u00e0y \u0111\u01b0\u1ee3c.
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Tr\u01b0\u1eddng H\u1ee3p 2:<\/strong> \u1ede l\u1ed3ng 9 xu\u1ea5t hi\u1ec7n 1 s\u1ed1 l\u1eb7p l\u1ea1i nhi\u1ec1u nh\u1ea5t = G\u1ecdi l\u00e0 B (VD s\u1ed1 6 l\u1eb7p l\u1ea1i 4 l\u1ea7n. C\u00e1c s\u1ed1 c\u00f2n l\u1ea1i kh\u00f4ng qu\u00e1 3 l\u1ea7n) => T\u1ed1t . V\u1eadn d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u b\u1ea1ch th\u1ee7 l\u00f4 n\u00e0y \u0111\u01b0\u1ee3c.
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T\u00ecm ra con s\u1ed1: AB, N\u1ebfu AB kh\u00f4ng c\u00f3 trong k\u1ebft qu\u1ea3 l\u00f4 ng\u00e0y h\u00f4m tr\u01b0\u1edbc th\u00ec<\/p>\n
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V\u00ed d\u1ee5 chi ti\u1ebft<\/strong> (ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u b\u1ea1ch th\u1ee7 l\u00f4 d\u1ef1a v\u00e0o l\u1ed3ng 8 v\u00e0 l\u1ed3ng 9)<\/p>\nsoi c\u1ea7u cao c\u1ea5p mi\u1ec1n b\u1eafc<\/span><\/h3>\n