{"id":18556,"date":"2024-03-29T10:26:49","date_gmt":"2024-03-29T10:26:49","guid":{"rendered":"https:\/\/soicau2103.minhngocxoso.com\/?p=18556"},"modified":"2024-03-29T10:26:49","modified_gmt":"2024-03-29T10:26:49","slug":"cach-bat-4-cang-de-chuan-xac","status":"publish","type":"post","link":"https:\/\/cauvethong.com\/cach-bat-4-cang-de-chuan-xac\/","title":{"rendered":"C\u00e1ch b\u1eaft 4 c\u00e0ng \u0111\u1ec1 chu\u1ea9n x\u00e1c"},"content":{"rendered":"
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C\u00e1ch b\u1eaft 4 c\u00e0ng \u0111\u1ec1 chu\u1ea9n x\u00e1c<\/b><\/h3>\n<\/div>\n<\/div>\n<\/div>\n
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\u0110\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c c\u1ea3m gi\u00e1c chi\u1ebfn th\u1eafng v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c m\u1ee9c th\u01b0\u1edfng k\u1ef7 l\u1ee5c th\u00ec ch\u00fang ta c\u1ea7n c\u00f3 c\u00e1ch b\u1eaft 4 c\u00e0ng \u0111\u1ec1 th\u1eadt hi\u1ec7u qu\u1ea3.<\/p>\n

Anh ch\u1ecb em c\u1ea7n bi\u1ebft \u0111\u01b0\u1ee3c c\u00f4ng th\u1ee9c c\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n

\u0110\u1ec1 4 c\u00e0ng = c\u00e0ng 4 + c\u00e0ng 3 + \u0111\u1ec1<\/p>\n

Ch\u00fang ta \u0111\u00e3 c\u00f3 r\u1ea5t nhi\u1ec1u b\u00e0i chia s\u1ebb kinh nghi\u1ec7m b\u1eaft l\u00f4 \u0111\u1ec1 v\u00e0 soi 3 c\u00e0ng \u0111\u1ec1 n\u00ean ng\u00e0y h\u00f4m nay ch\u1ec9 t\u1eadp trung v\u00e0o vi\u1ec7c l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1eaft c\u00e0ng \u0111\u1ec1 th\u1ee9 t\u01b0 (s\u1ed1 h\u00e0ng ngh\u00ecn) chu\u1ea9n nh\u1ea5t.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c c\u00e1c b\u1eadc ti\u1ec1n b\u1ed1i truy\u1ec1n l\u1ea1i nh\u01b0 sau:<\/p>\n

(1) B\u1eaft 4 c\u00e0ng \u0111\u1ec1 d\u1ef1a v\u00e0o th\u1ed1ng k\u00ea v\u1ecb tr\u00ed<\/h3>\n

B\u1ea5t c\u1ee9 d\u00e2n ch\u01a1i s\u1ed1 chuy\u00ean nghi\u1ec7p n\u00e0o c\u0169ng bi\u1ebft c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c th\u1ed1ng k\u00ea KQXS (K\u1ebft Qu\u1ea3 X\u1ed5 S\u1ed1) \u0111\u1ec3 b\u1eaft c\u1ea7u ng\u00e0y ti\u1ebfp theo, \u0111\u1eb7c bi\u1ec7t l\u00e0 d\u00f9ng ch\u00fang \u0111\u1ec3 t\u00ecm v\u1ecb tr\u00ed \u0103n th\u00f4ng.<\/p>\n

T\u1ea5t nhi\u00ean c\u00e1ch l\u00e0m n\u00e0y c\u1ea7n \u0111\u1ea7u t\u01b0 nhi\u1ec1u th\u1eddi gian v\u00e0 ch\u00fang ta ph\u1ea3i theo d\u00f5i li\u00ean t\u1ee5c m\u1edbi \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 t\u1ed1t nh\u1ea5t.<\/p>\n

(2) Soi c\u1ea7u \u0111\u1ec1 4 c\u00e0ng b\u1ea1ch th\u1ee7 t\u1eeb gh\u00e9p s\u1ed1<\/h3>\n

C\u00e1ch l\u00e0m quen thu\u1ed9c n\u00e0y \u0111\u00f2i h\u1ecfi c\u00e1c th\u1ee3 c\u1ea7u ph\u1ea3i \u0111\u1ea1t t\u1edbi \u201c\u0111\u1ec9nh ch\u00f3p\u201d m\u1edbi c\u00f3 th\u1ec3 b\u1eaft d\u00ednh \u0111\u01b0\u1ee3c.<\/p>\n

\u0110\u00f3 l\u00e0 v\u00ec k\u1ebft n\u1ed1i 4 v\u1ecb tr\u00ed \u0103n th\u00f4ng kh\u00e1c nhau \u0111\u1ec3 t\u1ea1o n\u00ean s\u1ed1 \u0111\u1ec1 v\u00f4 c\u00f9ng kh\u00f3. \u0110a ph\u1ea7n c\u00e1c tay c\u1ea7u ch\u1ec9 \u0111\u01b0\u1ee3c t\u00ecm ra v\u00e0o ng\u00e0y 3 \u2013 4 v\u00e0 \u0111\u00f3 l\u00e0 th\u1eddi \u0111i\u1ec3m ch\u00fang \u0111\u00e3 g\u00e3y nh\u1ecbp.<\/p>\n

B\u1eaft \u0111\u01b0\u1ee3c \u0111\u1ec1 4 c\u00e0ng theo c\u00e1ch n\u00e0y kh\u00e1 gian nan nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng n\u00ean anh ch\u1ecb em c\u0169ng \u0111\u1eebng v\u1ed9i nh\u1ee5t ch\u00ed nh\u00e9.<\/p>\n

(3) T\u00ednh c\u1ea7u l\u00f4 \u0111\u1ec1 4 c\u00e0ng theo B\u1ea1c nh\u1edb l\u00f4 \u0111\u1ec1<\/h3>\n

Anh ch\u1ecb em c\u00f3 th\u1ec3 b\u1eaft \u0111\u01b0\u1ee3c d\u1ea1ng l\u00f4 \u0111\u1ec1 B\u1ea1c Nh\u1edb theo c\u00e1ch kh\u00e1c nhau l\u00e0 c\u0103n c\u1ee9 v\u00e0o c\u00e0ng 4 \u0111\u00e3 v\u1ec1 ho\u1eb7c theo c\u00e1c th\u1ee9 trong ng\u00e0y. C\u1ee5 th\u1ec3 l\u00e0:<\/p>\n

(3.1) B\u1ea1c nh\u1edb theo th\u1ee9 trong ng\u00e0y<\/h4>\n

C\u00e1c cao th\u1ee7 \u0111\u00e3 nh\u1eadn th\u1ea5y r\u1eb1ng c\u00e1c c\u00e0ng \u0111\u1ec1 h\u00e0ng ngh\u00ecn th\u01b0\u1eddng v\u1ec1 theo c\u00e0ng \u0111\u00e3 n\u1ed5 k\u1ef3 tr\u01b0\u1edbc nh\u01b0:<\/p>\n