{"id":17993,"date":"2024-04-23T06:31:28","date_gmt":"2024-04-23T06:31:28","guid":{"rendered":"https:\/\/soicauso3cang.com\/?p=17993"},"modified":"2024-04-23T06:31:28","modified_gmt":"2024-04-23T06:31:28","slug":"kinh-nghiem-bat-so-de-4-cang-chuan-xac-nhat","status":"publish","type":"post","link":"https:\/\/soicauso3cang.com\/kinh-nghiem-bat-so-de-4-cang-chuan-xac-nhat\/","title":{"rendered":"kinh nghi\u1ec7m b\u1eaft s\u1ed1 \u0111\u1ec1 4 c\u00e0ng chu\u1ea9n x\u00e1c nh\u1ea5t"},"content":{"rendered":"
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\u0110\u1ec1 4 c\u00e0ng l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef chuy\u00ean nghi\u1ec7p d\u00e0nh cho d\u00e2n ch\u01a1i l\u00f4 \u0111\u1ec1 chuy\u00ean nghi\u1ec7p. Tuy nhi\u00ean, r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi m\u1edbi ch\u01a1i \u0111\u00e3 nh\u1ea7m l\u1eabn gi\u1eefa \u0111\u1ec1 4 c\u00e0ng l\u00e0 l\u00f4 4 c\u00e0ng. H\u00f4m nay, s\u1ebd t\u1ed5ng h\u1ee3p t\u1ea5t c\u1ea3 m\u1ecdi th\u1ee9 v\u1ec1 s\u1ed1 \u0111\u1ec1 4 c\u00e0ng \u0111\u1ec3 anh em c\u00f9ng n\u1eafm r\u00f5 qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n
\u0110\u1ec1 4 c\u00e0ng l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a 4 s\u1ed1 cu\u1ed1i c\u00f9ng trong gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc, Trung hay Nam. \u0110\u00e1nh \u0111\u1ec1 4 c\u00e0ng ch\u00ednh l\u00e0 khi b\u1ea1n d\u1ef1 \u0111o\u00e1n con s\u1ed1 trong d\u00e3y t\u1eeb 0000-9999. N\u1ebfu nh\u01b0 s\u1ed1 anh em ch\u1ecdn tr\u00f9ng v\u1edbi k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng c\u1ee7a G\u0110B trong b\u1ea3ng k\u1ebft qu\u1ea3 th\u00ec s\u1ebd gi\u00e0nh chi\u1ebfn th\u1eafng.<\/p>\n\n\n\n
\u0110\u00e2y l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c ch\u01a1i c\u00f3 \u0111\u1ed9 kh\u00f3 c\u1ef1c k\u1ef3 cao. B\u1edfi n\u1ebfu nh\u01b0 \u0111\u00e1nh \u0111\u1ec1 truy\u1ec1n th\u1ed1ng th\u00ec t\u1ef7 l\u1ec7 th\u1eafng l\u00e0 1\/100. Nh\u01b0ng v\u1edbi lo\u1ea1i h\u00ecnh n\u00e0y th\u00ec x\u00e1c su\u1ea5t tr\u00fang s\u1ebd l\u00e0 1\/10000. M\u1eb7c d\u00f9 kh\u00f3 tr\u00fang nh\u01b0ng hi\u1ec7n nay v\u1eabn c\u00f3 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng th\u1ee9c n\u00e0y b\u1edfi ti\u1ec1n th\u01b0\u1edfng l\u00e0 c\u1ef1c k\u1ef3 h\u1ea5p d\u1eabn.<\/p>\n\n\n\n
Theo nh\u01b0 th\u1ed1ng k\u00ea th\u00ec t\u1ef7 l\u1ec7 tr\u00fang 4 c\u00e0ng ch\u1ec9 l\u00e0 0,1%, t\u1ee9c l\u00e0 1\/1000. M\u1eb7c d\u00f9 kh\u00f3 kh\u0103n nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 kh\u00f4ng th\u1ec3 tr\u00fang. C\u00e1c b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o m\u1ed9t s\u1ed1 c\u00e1ch b\u1eaft d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 t\u0103ng x\u00e1c su\u1ea5t th\u1eafng c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n
C\u00e1ch b\u1eaft n\u00e0y \u0111\u01b0\u1ee3c ch\u00ednh c\u00e1c cao th\u1ee7 \u00e1p d\u1ee5ng v\u00e0 chia s\u1ebb, khi \u0111\u00f3 m\u1ecdi ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng theo c\u00f4ng th\u1ee9c sau: Th\u1ee9 + Ng\u00e0y + B\u1ea1ch th\u1ee7 l\u00f4 -> \u0110\u1ec1 4 c\u00e0ng.<\/p>\n\n\n\n
V\u00ed d\u1ee5 nh\u01b0 h\u00f4m nay l\u00e0 th\u1ee9 2, ng\u00e0y 14, con b\u1ea1ch th\u1ee7 m\u00e0 b\u1ea1n soi \u0111\u01b0\u1ee3c l\u00e0 42. B\u1ea1n ti\u1ebfn h\u00e0nh gh\u00e9p c\u00e1c con s\u1ed1 n\u00e0y l\u1ea1i v\u1edbi nhau th\u00e0nh 21442. Con 4 c\u00e0ng m\u1ecdi ng\u01b0\u1eddi c\u00f3 th\u1ec3 ch\u1ecdn l\u00e0 2144 v\u00e0 2142.<\/p>\n\n\n\n
Ho\u1eb7c n\u1ebfu h\u00f4m nay l\u00e0 th\u1ee9 7 ng\u00e0y 4 v\u00e0 con b\u1ea1ch th\u1ee7 b\u1ea1n t\u00ednh \u0111\u01b0\u1ee3c l\u00e0 30. Khi ti\u1ebfn h\u00e0nh gh\u00e9p c\u00e1c con s\u1ed1 l\u1ea1i v\u1edbi nhau ta s\u1ebd c\u00f3 d\u00e3y 7430 v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 \u0111\u00e1nh th\u00eam con 4 c\u00e0ng 7431, 7432.<\/p>\n\n\n\n
C\u00e1ch b\u1eaft l\u00f4 \u0111\u1ec1 n\u00e0y kh\u00e1 \u0111\u01a1n gi\u1ea3n v\u00e0 c\u00e1ch t\u00ednh c\u0169ng r\u1ea5t \u0111\u01a1n gi\u1ea3n \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi \u00e1p d\u1ee5ng. Theo \u0111\u00f3 ng\u00e0y ch\u1eb5n s\u1ebd t\u01b0\u01a1ng \u1ee9ng v\u1edbi 2 v\u00e0 ng\u00e0y l\u1ebb s\u1ebd \u0111\u01b0\u1ee3c quy \u01b0\u1edbc l\u00e0 1. C\u00f4ng th\u1ee9c t\u00ednh nh\u01b0 sau: T\u1ed5ng ng\u00e0y v\u00e0 th\u00e1ng – ng\u00e0y ch\u1eb5n\/ l\u1ebb + b\u1ea1ch th\u1ee7 l\u00f4.<\/p>\n\n\n\n
V\u00ed d\u1ee5 nh\u01b0 h\u00f4m nay l\u00e0 th\u1ee9 2 (ng\u00e0y ch\u1eb5n) ng\u00e0y 20 th\u00e1ng 2, b\u1ea1ch th\u1ee7 l\u00f4 b\u1ea1n soi \u0111\u01b0\u1ee3c l\u00e0 32. Nh\u01b0 v\u1eady ta s\u1ebd c\u00f3: 20 + 2 – 2 = 20, k\u1ebft h\u1ee3p v\u1edbi BTL s\u1ebd c\u00f3 con 4 c\u00e0ng l\u00e0 2032 ho\u1eb7c 3220.<\/p>\n\n\n\n
L\u01b0u \u00fd l\u00e0 \u0111\u1ed1i v\u1edbi nh\u1eefng tr\u01b0\u1eddng h\u1ee3p c\u00f3 s\u1ed1 ng\u00e0y d\u01b0\u1edbi 10 th\u00ec kh\u00f4ng n\u00ean \u00e1p d\u1ee5ng theo c\u00e1ch b\u1eaft n\u00e0y. Thay v\u00e0o \u0111\u00f3 h\u00e3y chuy\u1ec3n sang nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i kh\u00e1c \u0111\u1ec3 c\u00f3 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n\n\n
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Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 r\u1ea5t cao b\u1edfi \u0111\u00e3 c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi tr\u00fang sau khi \u00e1p d\u1ee5ng. C\u00e1ch t\u00ednh kh\u00e1 \u0111\u01a1n gi\u1ea3n, m\u1ecdi ng\u01b0\u1eddi ch\u1ec9 c\u1ea7n \u00e1p d\u1ee5ng theo c\u00f4ng th\u1ee9c sau: T\u1ed5ng \u0111\u1ec1 c\u1ee7a ng\u00e0y 1 – ng\u00e0y 4 v\u1edbi nhau l\u00e0 ra con 4 c\u00e0ng.<\/p>\n\n\n\n
V\u00ed d\u1ee5 nh\u01b0:<\/p>\n\n\n\n
=> Con l\u00f4 \u0111\u1ec1 4 c\u00e0ng cho ng\u00e0y ti\u1ebfp theo s\u1ebd l\u00e0 9736 ho\u1eb7c t\u00f9y theo c\u00e1ch s\u1eafp x\u1ebfp c\u1ee7a m\u1ecdi ng\u01b0\u1eddi m\u00e0 s\u1ebd c\u00f3 con s\u1ed1 kh\u00e1c nhau. Theo nhi\u1ec1u ng\u01b0\u1eddi nh\u1eadn x\u00e9t th\u00ec ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 hi\u1ec7u qu\u1ea3 nh\u1ea5t v\u00e0o nh\u1eefng ng\u00e0y cu\u1ed1i tu\u1ea7n.<\/p>\n\n\n\n
C\u00e1ch \u0111\u00e1nh n\u00e0y m\u1ecdi ng\u01b0\u1eddi c\u1ea7n ph\u1ea3i ch\u00fa \u00fd \u0111\u1ebfn 2 s\u1ed1 cu\u1ed1i c\u00f9ng c\u1ee7a nh\u1eefng k\u1ebft qu\u1ea3 v\u1ec1 gi\u1ea3i 5. Sau \u0111\u00f3 gh\u00e9p t\u1eebng c\u1eb7p s\u1ed1 l\u1ea1i v\u1edbi nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh d\u00e0n 4 c\u00e0ng chu\u1ea9n x\u00e1c \u0111\u1ec3 nu\u00f4i khung. Tuy nhi\u00ean n\u1ebfu l\u00e0 nh\u1eefng ng\u01b0\u1eddi m\u1edbi th\u00ec m\u1ecdi ng\u01b0\u1eddi kh\u00f4ng n\u00ean \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y. B\u1edfi b\u1ea1n s\u1ebd kh\u00f4ng \u0111\u1ee7 kinh nghi\u1ec7m v\u00e0 c\u00f3 c\u1ea3m gi\u00e1c v\u1edbi c\u00e1c con s\u1ed1 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c nh\u1ea5t.<\/p>\n\n\n\n
C\u00e1ch n\u00e0y r\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nh\u1edd nh\u1eefng kinh nghi\u1ec7m t\u00ednh to\u00e1n c\u1ee7a c\u00e1c cao th\u1ee7 l\u00e2u n\u0103m truy\u1ec1n l\u1ea1i. Anh em c\u00f3 th\u1ec3 t\u00ednh b\u1eb1ng c\u00e1ch l\u1ea5y th\u1ee9 h\u00f4m nay c\u1ed9ng v\u1edbi s\u1ed1 ng\u00e0y k\u1ebft h\u1ee3p v\u1edbi b\u1ea1ch th\u1ee7 l\u00f4 c\u00f3 s\u1eb5n l\u00e0 s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 4 c\u00e0ng.<\/p>\n\n\n\n
V\u00ed d\u1ee5 nh\u01b0 h\u00f4m nay l\u00e0 th\u1ee9 4 ng\u00e0y 2 v\u00e0 b\u1ea1ch th\u1ee7 l\u00f4 b\u1ea1n t\u00ednh \u0111\u01b0\u1ee3c l\u00e0 34 th\u00ec khi gh\u00e9p c\u00e1c con s\u1ed1 l\u1ea1i v\u1edbi nhau th\u00ec s\u1ebd ta c\u00f3 4234 l\u00e0 s\u1ed1 \u0111\u1ec1 4 c\u00e0ng ng\u00e0y h\u00f4m nay. Ho\u1eb7c n\u1ebfu h\u00f4m nay l\u00e0 th\u1ee9 2 v\u00e0 ng\u00e0y 18 v\u00e0 b\u1ea1ch th\u1ee7 l\u00f4 c\u1ee7a anh em l\u00e0 45 th\u00ec anh em c\u00f3 th\u1ec3 \u0111\u00e1nh 2145 ho\u1eb7c 2845 \u0111\u1ec1u \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
C\u00e1ch th\u1ee9c n\u00e0y c\u0169ng r\u1ea5t ph\u1ed5 bi\u1ebfn trong gi\u1edbi l\u00f4 \u0111\u1ec1. V\u1edbi c\u00e1ch th\u1ee9c n\u00e0y, anh em t\u00ednh ra \u0111\u01b0\u1ee3c con b\u1ea1ch l\u00f4 th\u1ee7 c\u1ee7a m\u00ecnh r\u1ed3i th\u00ec s\u1ebd c\u1ed9ng b\u00f3ng \u00e2m \u0111\u1ea7u con b\u1ea1ch th\u1ee7 v\u00e0 b\u00f3ng d\u01b0\u01a1ng c\u1ee7a \u0111u\u00f4i con b\u1ea1ch th\u1ee7 v\u00e0 con b\u1ea1ch th\u1ee7 \u0111\u1ec1 s\u1ebd \u1edf cu\u1ed1i.<\/p>\n\n\n\n
V\u00ed d\u1ee5 nh\u01b0 anh em t\u00ednh ra \u0111\u01b0\u1ee3c con b\u1ea1ch th\u1ee7 l\u00e0 27, ta c\u00f3 s\u1ed1 2 v\u00e0 s\u1ed1 7. M\u00e0 b\u00f3ng \u00e2m c\u1ee7a 2 l\u00e0 9 v\u00e0 b\u00f3ng d\u01b0\u01a1ng c\u1ee7a 7 l\u00e0 2. V\u1eady ta gh\u00e9p l\u1ea1i s\u1ebd \u0111\u01b0\u1ee3c con s\u1ed1 92. K\u1ebft h\u1ee3p v\u1edbi con b\u1ea1ch th\u1ee7 ta s\u1ebd \u0111\u01b0\u1ee3c con s\u1ed1 9227. Tuy nhi\u00ean c\u00e1ch n\u00e0y kh\u00f4ng n\u00ean \u00e1p d\u1ee5ng qu\u00e1 th\u01b0\u1eddng xuy\u00ean. C\u00f3 th\u1ec3 \u00e1p d\u1ee5ng v\u00e0o \u0111\u1ea7u tu\u1ea7n ho\u1eb7c cu\u1ed1i tu\u1ea7n.<\/p>\n\n\n\n
Trong b\u00e0i vi\u1ebft tr\u00ean, \u0111\u00e3 chia s\u1ebb t\u1edbi c\u00e1c b\u1ea1n v\u1ec1 c\u00e1ch ch\u01a1i s\u1ed1 \u0111\u1ec1 4 c\u00e0ng v\u00e0 c\u00e1ch b\u1eaft 4 c\u00e0ng chu\u1ea9n x\u00e1c nh\u1ea5t. M\u1eb7c d\u00f9 h\u00ecnh th\u1ee9c ch\u01a1i n\u00e0y r\u1ea5t kh\u00f3 tr\u00fang nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 kh\u00f4ng th\u1ec3 tr\u00fang. V\u00ec v\u1eady n\u1ebfu m\u1ecdi ng\u01b0\u1eddi \u00e1p d\u1ee5ng nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c chia s\u1ebb trong b\u00e0i vi\u1ebft tr\u00ean th\u00ec ch\u1eafc ch\u1eafn s\u1ebd c\u00f3 th\u1ec3 t\u0103ng t\u1ef7 l\u1ec7 th\u1eafng c\u1ee7a m\u00ecnh. Ch\u00fac m\u1ecdi ng\u01b0\u1eddi may m\u1eafn v\u00e0 th\u00e0nh c\u00f4ng.<\/p>\n\n\n
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