{"id":18082,"date":"2024-03-02T20:30:18","date_gmt":"2024-03-02T20:30:18","guid":{"rendered":"https:\/\/soicau4027.minhngocxoso.com\/?p=18082"},"modified":"2024-03-02T20:30:18","modified_gmt":"2024-03-02T20:30:18","slug":"nhung-cach-bat-cau-lo-mien-bac-cuc-chuan-de-trung-va-don-gian-nhat","status":"publish","type":"post","link":"https:\/\/bachthu33.com\/nhung-cach-bat-cau-lo-mien-bac-cuc-chuan-de-trung-va-don-gian-nhat\/","title":{"rendered":"nh\u1eefng c\u00e1ch b\u1eaft c\u1ea7u l\u00f4 mi\u1ec1n b\u1eafc c\u1ef1c chu\u1ea9n, d\u1ec5 tr\u00fang v\u00e0 \u0111\u01a1n gi\u1ea3n nh\u1ea5t"},"content":{"rendered":"
<\/p>\n\n\n
V\u1edbi nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea l\u00f4 \u0111\u1ec1 c\u00f3 l\u1ebd \u0111\u00e3 qu\u00e1 quen thu\u1ed9c v\u1edbi vi\u1ec7c soi c\u1ea7u l\u00f4 m\u1ed7i ng\u00e0y. Vi\u1ec7c b\u1eaft c\u1ea7u l\u00f4 kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o may m\u1eafn m\u00e0 c\u00f2n l\u00e0 kinh nghi\u1ec7m v\u00e0 c\u1ea3 thu\u1eadt to\u00e1n l\u00f4 \u0111\u1ec1. V\u00ec v\u1eady, \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi ch\u01a1i \u0111i\u1ec1u n\u00e0y kh\u00e1 ph\u1ee9c t\u1ea1p, kh\u00f4ng h\u1ec1 \u0111\u01a1n gi\u1ea3n. Trong b\u00e0i vi\u1ebft h\u00f4m nay, ch\u00fang t\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u \u0111\u1ebfn b\u1ea1n 5 c\u00e1ch b\u1eaft c\u1ea7u l\u00f4 mi\u1ec1n B\u1eafc c\u1ef1c chu\u1ea9n x\u00e1c, c\u00f3 x\u00e1c su\u1ea5t th\u00e0nh c\u00f4ng cao, \u0111\u01b0\u1ee3c \u0111\u00fac r\u00fat t\u1eeb nh\u1eefng cao th\u1ee7 l\u00e3o l\u00e0ng truy\u1ec1n l\u1ea1i.<\/p>\n\n\n\n
\u0110\u1ed1i v\u1edbi c\u00e1ch soi l\u00f4 n\u00e0y, b\u1ea1n ch\u1ec9 c\u1ea7n quan t\u00e2m \u0111\u1ebfn ch\u1eef s\u1ed1 \u0111\u1ea7u ti\u00ean c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc 2 ng\u00e0y \u0111\u1ea7u tu\u1ea7n. C\u00f3 ngh\u0129a l\u00e0, b\u1ea1n h\u00e3y c\u1ed9ng 2 ch\u1eef s\u1ed1 \u0111\u1ea7u ti\u00ean c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 v\u00e0o ng\u00e0y th\u1ee9 2 v\u00e0 ng\u00e0y th\u1ee9 3 l\u1ea1i v\u1edbi nhau. Sau \u0111\u00f3 s\u1eed d\u1ee5ng t\u1ed5ng v\u1eeba t\u00ednh \u0111\u01b0\u1ee3c \u0111\u1ec3 l\u00e0m t\u1ed5ng \u0111\u1ec1 \u0111\u00e1nh trong 5 ng\u00e0y ti\u1ebfp theo: th\u1ee9 4, 5, 6, 7 v\u00e0 ch\u1ee7 nh\u1eadt. L\u01b0u \u00fd, n\u1ebfu t\u1ed5ng t\u00ecm \u0111\u01b0\u1ee3c l\u1edbn h\u01a1n 10, th\u00ec b\u1ea1n h\u00e3y c\u1ed9ng ti\u1ebfp 2 ch\u1eef s\u1ed1 c\u1ee7a t\u1ed5ng \u0111\u00f3 \u0111\u1ec3 nu\u00f4i c\u1ea7u ch\u1ea1m 5 ng\u00e0y sau.<\/p>\n\n\n\n
V\u00ed d\u1ee5: Ng\u00e0y th\u1ee9 2 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 95237, ng\u00e0y th\u1ee9 3 l\u00e0 24301. T\u00ednh t\u1ed5ng \u0111\u1ea7u gi\u1ea3i \u0111\u1eb7c bi\u1ec7t s\u1ebd l\u00e0 2+9=11. Ta th\u1ea5y t\u1ed5ng n\u00e0y l\u1edbn h\u01a1n 10 n\u00ean s\u1ebd ti\u1ebfp t\u1ee5c c\u1ed9ng 2 ch\u1eef s\u1ed1 l\u1ea1i l\u00e0 1+1=2. C\u00e1c ng\u00e0y c\u00f2n l\u1ea1i trong tu\u1ea7n \u0111\u00f3 kh\u1ea3 n\u0103ng cao s\u1ebd v\u1ec1 ch\u1ea1m 2.<\/p>\n\n\n\n
T\u1ed5ng h\u1ee3p to\u00e0n t\u1eadp c\u00e1c c\u00e1ch b\u1eaft c\u1ea7u l\u00f4 mi\u1ec1n B\u1eafc s\u1ebd l\u00f4 \u0111\u1ec1 k\u00e9p v\u1ec1 chu\u1ea9n nh\u1ea5t hi\u1ec7n nay, c\u1ee5 th\u1ec3:<\/p>\n\n\n\n
\u2013 N\u1ebfu trong gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u00f3 2 ch\u1eef s\u1ed1 \u0111\u1ea7u ho\u1eb7c 2 ch\u1eef s\u1ed1 gi\u1eefa \u0111\u1ec1u l\u00e0 k\u00e9p (2 s\u1ed1 gi\u1ed1ng nhau) th\u00ec ng\u01b0\u1eddi ch\u01a1i n\u00ean nu\u00f4i d\u00e0n \u0111\u1ec1 k\u00e9p trong 7 ng\u00e0y ti\u1ebfp.<\/p>\n\n\n\n
\u2013 N\u1ebfu trong k\u1ebft qu\u1ea3 gi\u1ea3i 7 xu\u1ea5t hi\u1ec7n 2 trong s\u1ed1 c\u00e1c b\u1ed9 s\u1ed1 sau: 05, 50, 16, 61, 27, 72, 38, 83, 49, 94 th\u00ec l\u00e0 b\u00e1o hi\u1ec7u \u0111\u1ec1 v\u1ec1 k\u00e9p ng\u00e0y h\u00f4m sau.<\/p>\n\n\n\n
\u2013 N\u1ebfu th\u1ea5y gi\u1ea3i 7 c\u00f3 s\u1ed1 \u0111\u1ea7u c\u1ee7a gi\u1ea3i 7.1 v\u00e0 s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i 7.4 ho\u1eb7c s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i 7.1 v\u00e0 s\u1ed1 \u0111\u1ea7u c\u1ee7a gi\u1ea3i 7.4 l\u00e0 s\u1ed1 gi\u1ed1ng nhau th\u00ec b\u1ea1n h\u00e3y nu\u00f4i k\u00e9p trong 3 ng\u00e0y ti\u1ebfp theo.<\/p>\n\n\n\n
C\u00e1ch b\u1eaft c\u1ea7u l\u00f4 mi\u1ec1n B\u1eafc n\u00e0y \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 sau: Gi\u1ea3 s\u1eed 2 ng\u00e0y tr\u01b0\u1edbc \u0111\u1ec1 v\u1ec1 l\u00e0 AB v\u00e0 CD trong \u0111\u00f3 ta c\u00f3:<\/p>\n\n\n\n
A + B + X = 10 (ho\u1eb7c 20)<\/p>\n\n\n\n
C + D + Y = 20 (ho\u1eb7c 20)<\/p>\n\n\n\n
Ta s\u1ebd nu\u00f4i XY cho 3 ng\u00e0y ti\u1ebfp theo, n\u1ebfu 3 ng\u00e0y kh\u00f4ng v\u1ec1 th\u00ec ngh\u1ec9 ng\u00e0y th\u1ee9 4. N\u1ebfu ng\u00e0y th\u1ee9 5 l\u00f4 v\u1ec1 th\u00ec ngh\u1ec9 ng\u00e0y th\u1ee9 6, t\u00ednh c\u1ea7u ti\u1ebfp v\u00e0o ng\u00e0y th\u1ee9 7. Tuy nhi\u00ean n\u1ebfu c\u1ea3 5 ng\u00e0y m\u00e0 v\u1eabn kh\u00f4ng th\u1ea5y c\u1ea7u xu\u1ea5t hi\u1ec7n th\u00ec \u0111\u00e1nh v\u00e0o ng\u00e0y th\u1ee9 6, n\u1ebfu v\u1eabn kh\u00f4ng n\u1ed5 th\u00ec ng\u00e0y th\u1ee9 7 ngh\u1ec9 sau \u0111\u00f3 nu\u00f4i 3 ng\u00e0y ti\u1ebfp.<\/p>\n\n\n\n
N\u1ebfu ng\u00e0y h\u00f4m tr\u01b0\u1edbc \u0111\u1ea7u l\u00f4 \u0111\u1ec1u c\u00e2m th\u00ec b\u1ea1n c\u00f3 th\u1ec3 nu\u00f4i l\u00f4 \u0111\u1ec1 k\u00e9p c\u1ee7a n\u00f3 trong 2 \u2013 3 ng\u00e0y ti\u1ebfp theo. Ho\u1eb7c n\u1ebfu th\u1ea5y \u0111\u00edt l\u00f4 n\u00e0o c\u00e2m, b\u1ea1n h\u00e3y ch\u1edd \u0111\u1ea7u c\u1ee7a n\u00f3 c\u00e2m v\u00e0 d\u00f9ng \u0111\u1ec3 \u0111\u00e1nh l\u00f4 \u0111\u1ec1 k\u00e9p c\u1ee7a n\u00f3 cho ng\u00e0y ti\u1ebfp theo.<\/p>\n\n\n\n V\u1edbi c\u00e1ch b\u1eaft c\u1ea7u l\u00f4 mi\u1ec1n B\u1eafc n\u00e0y th\u00ec ng\u01b0\u1eddi ch\u01a1i c\u1ea7n ph\u1ea3i d\u1ef1a v\u00e0o k\u1ebft qu\u1ea3 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 gi\u1ea3i nh\u1ea5t \u0111\u1ec3 chi\u1ebfu v\u1edbi gi\u1ea3i 5, v\u00e0 th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u1edbi gi\u1ea3i 6.<\/p>\n\n\n\n V\u00ed d\u1ee5 b\u1ea1n c\u00f3 th\u1ec3 quan s\u00e1t h\u00ecnh \u1ea3nh b\u00ean d\u01b0\u1edbi, ta th\u1ea5y k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1:<\/p>\n\n\n\n + Gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 34343<\/p>\n\n\n\n + Gi\u1ea3i nh\u1ea5t l\u00e0 v\u1ec1 48005<\/p>\n\n\n\n Ti\u1ebfp \u0111\u1ebfn, \u0111\u1ed1i chi\u1ebfu th\u1eb3ng xu\u1ed1ng gi\u1eefa c\u1ee7a gi\u1ea3i 6, k\u1ebft qu\u1ea3 l\u00e0 974. Ch\u1ecdn m\u1ed9t s\u1ed1 kh\u00e1c bi\u1ec7t nh\u1ea5t trong gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 b\u1ecf c\u00e1c s\u1ed1 l\u1eb7p l\u1ea1i nhi\u1ec1u l\u1ea7n.<\/p>\n\n\n\n V\u00ed d\u1ee5 nh\u01b0 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 34343 th\u00ec c\u00f3 s\u1ed1 3 \u0111\u01b0\u01a1c l\u1eb7p l\u1ea1i 3 l\u1ea7n, v\u1eady n\u00ean b\u1ea1n s\u1ebd b\u1ecf kh\u00f4ng l\u1ea5y, c\u00f3 s\u1ed1 4 c\u0169ng l\u1eb7p l\u1ea1i 2 l\u1ea7n n\u00ean c\u0169ng lo\u1ea1i kh\u00f4ng d\u00f9ng. C\u00f2n gi\u1ea3i nh\u1ea5t l\u00e0 48005 c\u00f3 s\u1ed1 0 l\u1eb7p l\u1ea1i 2 l\u1ea7n c\u0169ng b\u1ecf, c\u00f2n s\u1ed1 8 v\u00e0 s\u1ed1 4 \u0111\u1ec1u l\u00e0 s\u1ed1 ch\u1eb5n n\u00ean b\u1ea1n s\u1ebd ch\u1ecdn ra \u0111\u01b0\u1ee3c s\u1ed1 5.<\/p>\n\n\n\n Ti\u1ebfp t\u1ee5c nh\u00ecn v\u00e0o h\u00ecnh th\u00ec b\u1ea1n s\u1ebd th\u1ea5y h\u00ecnh tam gi\u00e1c \u0111i qua b\u00f3ng s\u1ed1 9 v\u00e0 b\u00f3ng s\u1ed1 4. V\u1eady b\u1ea1n s\u1ebd ch\u1ecdn \u0111\u01b0\u1ee3c 2 c\u1eb7p l\u00f4 t\u00f4 l\u00e0 59 v\u00e0 54 \u0111\u1ec3 \u0111\u00e1nh.<\/p>\n\n\n\n Theo c\u00e1ch soi c\u1ea7u l\u00f4 n\u00e0y th\u00ec b\u1ea1n c\u1ea7n ph\u1ea3i d\u1ef1a v\u00e0o gi\u1ea3i 5 v\u00e0 gi\u1ea3i 6 trong k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1. C\u00e1ch b\u1eaft c\u1ea7u l\u00f4 mi\u1ec1n B\u1eafc tam gi\u00e1c n\u00e0y th\u01b0\u1eddng \u00e1p d\u1ee5ng cho \u0111\u00e1nh b\u1ea1ch th\u1ee7, c\u1ee5 th\u1ec3:<\/p>\n\n\n\n \u2013 B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean, ng\u01b0\u1eddi ch\u01a1i c\u1ea7n quan s\u00e1t k\u1ef9 t\u1eeb gi\u1ea3i G6.3 nh\u00ecn th\u1eb3ng l\u00ean gi\u1ea3i 5 G3.4, ti\u1ebfp \u0111\u1ebfn nh\u00ecn xu\u1ed1ng gi\u1ea3i 6 G3.3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c s\u1ed1 kh\u00e1c bi\u1ec7t. N\u1ebfu gi\u1ea3i 5 G3.4 b\u1ecb tr\u00f9ng s\u1ed1 v\u1edbi gi\u1ea3i 6 G3.3 th\u00ec s\u1ebd ch\u1ecdn s\u1ed1 \u1edf gi\u1eefa \u0111\u1ec3 l\u00e0m t\u00e2m \u0111i\u1ec3m ch\u1ebfch l\u00ean tr\u00ean v\u00e0 xu\u1ed1ng d\u01b0\u1edbi, \u0111em \u0111\u00e1nh khung 5 ng\u00e0y r\u1ea5t an to\u00e0n. Ho\u1eb7c mu\u1ed1n ch\u1eafc ch\u1eafn h\u01a1n b\u1ea1n n\u00ean \u0111\u00e1nh l\u1ed9n khung 3 ng\u00e0y, n\u1ebfu kh\u00f4ng th\u00ec s\u1ebd l\u1ecdc \u0111\u01b0\u1ee3c c\u00e1c s\u1ed1 kh\u00e1c bi\u1ec7t \u1edf tr\u00ean.<\/p>\n\n\n\n \u2013 N\u1ebfu mu\u1ed1n b\u1eaft l\u00f4 h\u00ecnh tam gi\u00e1c \u0111\u1ec1u b\u1ea1n c\u1ea7n xem k\u1ef9 s\u1ed1 \u1edf gi\u1eefa c\u1ee7a gi\u1ea3i nh\u1ea5t \u0111\u1ec3 k\u1ebft h\u1ee3p v\u1edbi gi\u1ea3i 3 G4.1 c\u00f9ng v\u1edbi G6.5, th\u00f4ng qua \u0111\u00f3 c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn ra nh\u1eefng s\u1ed1 kh\u00e1c bi\u1ec7t. Sau l\u1ea5y s\u1ed1 \u1edf gi\u1eefa l\u00e0m t\u00e2m th\u00ec b\u1ea1n s\u1ebd c\u00f3 c\u1eb7p \u0111\u00e1nh \u0111\u1ea7u \u0111u\u00f4i ho\u1eb7c c\u0169ng c\u00f3 th\u1ec3 ch\u1ecdn \u0111\u1ec3 \u0111\u00e1nh b\u1ea1ch th\u1ee7 trong 5 ng\u00e0y c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i ch\u1eafc \u0103n.<\/p>\n\n\n\n Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng c\u00e1ch b\u1eaft c\u1ea7u l\u00f4 mi\u1ec1n B\u1eafc c\u1ef1c chu\u1ea9n, d\u1ec5 tr\u00fang v\u00e0 \u0111\u01a1n gi\u1ea3n nh\u1ea5t m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o. Ngo\u00e0i ra c\u0169ng c\u00f2n r\u1ea5t nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u l\u00f4 c\u1ef1c chu\u1ea9n kh\u00e1c m\u00e0 ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 th\u1eed. Hi v\u1ecdng v\u1edbi nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u00e1nh \u0111\u00e2u tr\u00fang \u0111\u00f3, \u0111\u1ed5i v\u1eadn nh\u1edd b\u1eaft c\u1ea7u chu\u1ea9n x\u00e1c.\u200b\u200b\u200b\u200b\u200b\u200b\u200b <\/p>\r\n\r\nSoi c\u1ea7u l\u00f4 h\u00ecnh tam gi\u00e1c<\/strong><\/h2>\n\n\n\n
Soi l\u00f4 tam gi\u00e1c gi\u1ea3i \u0111\u1eb7c bi\u1ec7t, gi\u1ea3i nh\u1ea5t, gi\u1ea3i 5<\/strong><\/h3>\n\n\n\n
Lo\u1ea1i tam gi\u00e1c gi\u1ea3i 6 G6.3 \u2013 gi\u1ea3i 5 G3.4 v\u00e0 gi\u1ea3i 6 G3.3<\/strong><\/h3>\n\n\n\n
<\/p>\n\n\n ch\u1ed1t s\u1ed1 vip <\/span><\/h2>\r\n