\u0110\u00e1nh \u0111\u1ec1 3 c\u00e0ng \u0103n bao nhi\u00eau \u2013 C\u00e1ch soi c\u1ea7u, t\u00ednh l\u00f4 \u0111\u1ec1 3 c\u00e0ng MB h\u00f4m nay<\/strong><\/h2>\nC\u00e1ch \u0111\u00e1nh \u0111\u1ec1 3 c\u00e0ng ch\u00ednh x\u00e1c nh\u1ea5t, d\u1ec5 \u0103n, d\u1ec5 tr\u00fang nh\u1ea5t d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch b\u1eaft c\u1ea7u l\u00f4, soi c\u1ea7u 3 c\u00e0ng c\u00f3 x\u00e1c su\u1ea5t tr\u00fang cao d\u1ef1a theo kinh nghi\u1ec7m c\u1ee7a nh\u1eefng ng\u01b0\u1eddi ch\u01a1i chuy\u00ean nghi\u1ec7p.<\/p>\n
Hi\u1ec3n nhi\u00ean, \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea tr\u00f2 ch\u01a1i x\u00e1c su\u1ea5t th\u00ec c\u00e0ng nhi\u1ec1u th\u1eed th\u00e1ch th\u00ec c\u00e0ng c\u00f3 h\u1ea5p d\u1eabn, ch\u00ednh v\u00ec th\u1ebf, nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e3 l\u00e0 cao th\u1ee7 trong l\u00f4 \u0111\u1ec1 th\u00ec soi c\u1ea7u l\u00f4 \u0111\u00ea v\u1edbi 2 s\u1ed1 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u0169ng kh\u00f4ng c\u00f2n \u0111\u1ee7 k\u00edch th\u00edch n\u1eefa, do v\u1eady nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e3 n\u00e2ng cao \u0111\u1ed9 kh\u00f3 l\u00ean b\u1eb1ng c\u00e1ch ch\u01a1i 3 c\u00e0ng.<\/p>\n
Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u hi\u1ec3u bi\u1ebft r\u00f5 v\u1ec1 3 c\u00e0ng v\u00e0 c\u00e1ch ch\u01a1i c\u1ee7a n\u00f3, ch\u00ednh v\u00ec th\u1ebf, trong b\u00e0i n\u00e0y ch\u00fang t\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u cho b\u1ea1n chi ti\u1ebft v\u1ec1 tr\u00f2 ch\u01a1i n\u00e0y.<\/p>\n
1. L\u00f4 \u0111\u1ec1 3 c\u00e0ng l\u00e0 g\u00ec?<\/strong><\/h2>\n
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\u2013 Kh\u00e1i ni\u1ec7m 3 c\u00e0ng trong l\u00f4 \u0111\u1ec1: nh\u01b0 l\u00f4 \u0111\u1ec1 b\u00ecnh th\u01b0\u1eddng ch\u00fang ta th\u01b0\u1eddng d\u1ef1 \u0111o\u00e1n 2 s\u1ed1 cu\u1ed1i c\u1ee7a c\u00e1c gi\u1ea3i \u0111\u01b0\u1ee3c m\u1edf th\u01b0\u1edfng th\u00ec 3 c\u00e0ng l\u00e0 d\u1ef1 \u0111o\u00e1n 3 s\u1ed1 cu\u1ed1i c\u1ee7a c\u00e1c gi\u1ea3i \u0111\u01b0\u1ee3c m\u1edf th\u01b0\u1edfng c\u1ee7a x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc, c\u00e1c t\u1ec9nh mi\u1ec1n Trung v\u00e0 mi\u1ec1n Nam.<\/p>\n
L\u00f4 \u0111\u1ec1 3 c\u00e0ng v\u00e0 c\u00e1ch \u0111\u00e1nh<\/em><\/p>\n\u2013 \u0110\u1ec1 3 c\u00e0ng: Ng\u01b0\u1eddi ch\u01a1i d\u1ef1 \u0111o\u00e1n 3 s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 trong ng\u00e0y h\u00f4m \u0111\u00f3, x\u00e1c su\u1ea5t tr\u00fang l\u00e0 1\/1000, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 0.1%.<\/p>\n
2. T\u00ednh ti\u1ec1n \u0103n 3 c\u00e0ng \u2013 \u0110\u00e1nh \u0111\u1ec1 3 c\u00e0ng 1 \u0111i\u1ec3m \u0103n bao nhi\u00eau?<\/strong><\/h2>\n\u2013 T\u1ef7 l\u1ec7 \u0103n 3 c\u00e0ng: Do \u0111\u1ed9 kh\u00f3 c\u1ee7a soi c\u1ea7u 3 c\u00e0ng cao h\u01a1n nhi\u1ec1u so v\u1edbi \u0111\u1ec1 l\u00f4 b\u00ecnh th\u01b0\u1eddng, do v\u1eady t\u1ef7 l\u1ec7 \u0103n c\u0169ng t\u0103ng theo, ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay l\u00e0 t\u1ef7 l\u1ec7 1 \u0103n 400, t\u1ee9c l\u00e0 ng\u01b0\u1eddi ch\u01a1i tr\u00fang s\u1ebd \u0103n g\u1ea5p 400 l\u1ea7n ti\u1ec1n b\u1ecf ra.<\/p>\n
\u2013 1 \u0111i\u1ec3m 3 c\u00e0ng b\u1eb1ng bao nhi\u00eau ti\u1ec1n: c\u00e1i n\u00e0y c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o nh\u00e0 c\u00e1i c\u1ee7a t\u1eebng v\u00f9ng mi\u1ec1n, do t\u1ef7 l\u1ec7 \u0103n cao n\u00ean ti\u1ec1n \u0111\u1eb7t c\u01b0\u1ee3c c\u0169ng cao h\u01a1n so v\u1edbi l\u00f4 th\u00f4ng th\u01b0\u1eddng.<\/p>\n
3. C\u00e1ch \u0111\u00e1nh \u0111\u1ec1 3 c\u00e0ng ch\u00ednh x\u00e1c nh\u1ea5t, \u0103n ch\u1eafc<\/strong><\/h2>\nC\u00e1c c\u00e1ch \u0111\u00e1nh \u0111\u1ec1 \u0103n ch\u1eafc 3 c\u00e0ng nh\u1ea5t hi\u1ec7n nay d\u01b0\u1edbi \u0111\u00e2y \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i s\u01b0u t\u1ea7m t\u1eeb nhi\u1ec1u ngu\u1ed3n l\u00f4 \u0111\u1ec1 kh\u00e1c nhau \u0111\u1ec3 anh em tham kh\u1ea3o. Cho \u0111\u1ebfn nay th\u00ec c\u00e1c chuy\u00ean gia m\u1edbi t\u00ecm hi\u1ec1u \u0111\u01b0\u1ee3c c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, d\u00f9 t\u1ef7 l\u1ec7 tr\u00fang kh\u00f4ng qu\u00e1 cao, tuy nhi\u00ean c\u0169ng \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 kh\u00e1 t\u1ed1t h\u01a1n v\u1edbi c\u00e1ch \u0111\u00e1nh kh\u00f4ng c\u00f3 ph\u01b0\u01a1ng ph\u00e1p, c\u1ee5 th\u1ec3:<\/p>\n
a. C\u00e1ch b\u1eaft 3 c\u00e0ng theo c\u00e1ch gh\u00e9p th\u1ee9 v\u00e0 theo ng\u00e0y<\/strong><\/h3>\nC\u00e1ch n\u00e0y kh\u00e1 \u0111\u01a1n gi\u1ea3n \u0111\u00f3 l\u00e0 b\u1ea1n d\u00f9ng ch\u00ednh \u0111\u1ec1 c\u1ee7a ng\u00e0y h\u00f4m tr\u01b0\u1edbc gh\u00e9p v\u1edbi th\u1ee9 ng\u00e0y \u0111\u00f3 \u0111\u1ec3 ra 3 c\u00e0ng \u0111\u00e1nh cho ng\u00e0y h\u00f4m sau, ho\u1eb7c b\u1ea1n gh\u00e9p \u0111\u1ec1 v\u1edbi ng\u00e0y c\u1ee7a ng\u00e0y h\u00f4m \u0111\u00f3 t\u1ea1o th\u00e0nh 3 c\u00e0ng. N\u00f3i chung l\u00e0 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u1ef7 l\u1ec7 tr\u00fang kh\u00f4ng qu\u00e1 cao, n\u00ean b\u1ea1n kh\u00f4ng n\u00ean \u0111\u1ea7u t\u01b0 qu\u00e1 nhi\u1ec1u.<\/p>\n
Nh\u1eefng c\u00e1ch \u0111\u00e1nh \u0111\u1ec1 3 c\u00e0ng<\/strong><\/span> ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/em><\/p>\nVD: Th\u1ee9 6 ng\u00e0y 23\/6\/2024, l\u00f4 \u0111\u1ec1 b\u1ea1ch th\u1ee7 v\u1ec1 23, \u0111\u00e1nh 3 c\u00e0ng l\u00e0 623 v\u00e0 323, 223, ta c\u00f3 h\u00f4m sau v\u1ec1 l\u00f4 3 c\u00e0ng n\u00e0y.<\/p>\n
Th\u1ee9 3 ng\u00e0y 4\/7\/2024, l\u00f4 \u0111\u1ec1 b\u1ea1ch th\u1ee7 v\u1ec1 48, \u0111\u00e1nh 3 c\u00e0ng 348 v\u00e0 448, ta c\u00f3 h\u00f4m sau v\u1ec1 448.<\/p>\n
b. C\u00e1ch \u0111\u00e1nh 3 c\u00e0ng theo ng\u00e0y ch\u1eb5n l\u1ebb<\/strong><\/h3>\nPh\u01b0\u01a1ng ph\u00e1p n\u00e0y \u00e1p d\u1ee5ng nh\u01b0 sau: Ki\u1ec3m tra l\u00f4 \u0111\u1ec1 b\u1ea1ch th\u1ee7<\/strong> <\/em><\/span>v\u1ec1 ng\u00e0y h\u00f4m \u0111\u00f3 l\u00e0 bao nhi\u00eau, n\u1ebfu l\u00e0 ng\u00e0y l\u1ebb ra \u0111\u1ec1 l\u00f4 b\u1ea1ch th\u1ee7 l\u1ebb th\u00ec gh\u00e9p t\u1ed5ng \u0111\u1ec1 v\u1edbi m\u1ed9t trong 2 c\u1ea7u b\u1ea1ch th\u1ee7 v\u00e0 gh\u00e9p v\u1edbi ng\u00e0y. T\u01b0\u01a1ng t\u1ef1 \u00e1p d\u1ee5ng v\u1edbi ng\u00e0y ch\u1eb5n.<\/p>\nG\u1ee3i \u00fd: Ng\u00e0y 21\/10 c\u00f3 \u0111\u1ec1 v\u1ec1 43, t\u1ed5ng \u0111\u1ec1 l\u00e0 7, gh\u00e9p l\u1ea1i ta c\u00f3 c\u00e1c c\u1ea7u 3 c\u00e0ng 742, 741, 732, 731.<\/p>\n
VD c\u1ee5 th\u1ec3: Ng\u00e0y 04\/7\/2024 l\u00e0 ng\u00e0y ch\u1eb5n, \u0111\u1ec1 v\u1ec1 ch\u1eb5n l\u00e0 48, t\u1ed5ng \u0111\u1ec1 l\u00e0 12, ta c\u00f3 c\u00e1c c\u1ea7u 340, 380, 344, 384, ng\u00e0y 5\/7 v\u1ec1 340.<\/p>\n
c. B\u1eaft 3 c\u00e0ng b\u1eb1ng c\u00e1ch gh\u00e9p theo b\u00f3ng c\u1ee7a t\u1ed5ng.<\/strong><\/h3>\n
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B\u00f3ng d\u01b0\u01a1ng: 1 \u2013 6, 2 \u2013 7, 3 \u2013 8, 4 \u2013 9, 5 \u2013 0.<\/p>\n
B\u00f3ng \u00e2m: 1 \u2013 4, 2 \u2013 9, 3 \u2013 6, 5 \u2013 8, 0 \u2013 7<\/p>\n
C\u00e1ch soi c\u1ea7u 3 c\u00e0ng<\/strong><\/span> theo b\u00f3ng t\u1ed5ng: T\u00ednh t\u1ed5ng c\u1ee7a b\u1ea1ch th\u1ee7 l\u00f4 \u0111\u1ec1 ng\u00e0y h\u00f4m \u0111\u00f3, t\u00ecm b\u00f3ng s\u1ed1 c\u1ee7a t\u1ed5ng, gh\u00e9p v\u1edbi b\u1ea1ch th\u1ee7 \u0111\u1ec1 v\u1ec1 t\u1ea1o th\u00e0nh d\u00e0n 3 c\u00e0ng \u0111\u00e1nh cho h\u00f4m sau.<\/p>\nL\u01b0u \u00fd: n\u1ebfu t\u1ed5ng l\u1edbn h\u01a1n 10 th\u00ec ta c\u00f3 th\u1ec3 c\u1ed9ng 2 s\u1ed1 l\u1ea1i ho\u1eb7c l\u1ea5y s\u1ed1 cu\u1ed1i c\u1ee7a t\u1ed5ng \u0111\u1ec1u \u0111\u01b0\u1ee3c.<\/p>\n
VD: N\u1ebfu \u0111\u1ec1 v\u1ec1 61, t\u1ed5ng 7, ta c\u00f3 b\u00f3ng c\u1ee7a 7 l\u00e0 2 v\u00e0 0, nh\u01b0 v\u1eady ta c\u00f3 c\u00e1c c\u1ea7u 761, 261, 061<\/p>\n
Theo nh\u1eadn \u0111\u1ecbnh c\u1ee7a m\u00ecnh th\u00ec 3 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ch\u1ec9 \u00e1p d\u1ee5ng lu\u00e2n phi\u00ean m\u1edbi c\u00f3 hi\u1ec7u qu\u1ea3, kh\u00f4ng th\u1ec3 c\u1ed1 \u0111\u1ecbnh duy nh\u1ea5t m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p, t\u1ef7 l\u1ec7 \u0103n so v\u1edbi nh\u1eefng c\u00e1ch kh\u00e1c th\u00ec t\u01b0\u01a1ng \u0111\u1ed1i h\u01a1n<\/p>\n<\/div>\n<\/article>\n
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\u2013 Kh\u00e1i ni\u1ec7m 3 c\u00e0ng trong l\u00f4 \u0111\u1ec1: nh\u01b0 l\u00f4 \u0111\u1ec1 b\u00ecnh th\u01b0\u1eddng ch\u00fang ta th\u01b0\u1eddng d\u1ef1 \u0111o\u00e1n 2 s\u1ed1 cu\u1ed1i c\u1ee7a c\u00e1c gi\u1ea3i \u0111\u01b0\u1ee3c m\u1edf th\u01b0\u1edfng th\u00ec 3 c\u00e0ng l\u00e0 d\u1ef1 \u0111o\u00e1n 3 s\u1ed1 cu\u1ed1i c\u1ee7a c\u00e1c gi\u1ea3i \u0111\u01b0\u1ee3c m\u1edf th\u01b0\u1edfng c\u1ee7a x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc, c\u00e1c t\u1ec9nh mi\u1ec1n Trung v\u00e0 mi\u1ec1n Nam.<\/p>\n
L\u00f4 \u0111\u1ec1 3 c\u00e0ng v\u00e0 c\u00e1ch \u0111\u00e1nh<\/em><\/p>\n \u2013 \u0110\u1ec1 3 c\u00e0ng: Ng\u01b0\u1eddi ch\u01a1i d\u1ef1 \u0111o\u00e1n 3 s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 trong ng\u00e0y h\u00f4m \u0111\u00f3, x\u00e1c su\u1ea5t tr\u00fang l\u00e0 1\/1000, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 0.1%.<\/p>\n \u2013 T\u1ef7 l\u1ec7 \u0103n 3 c\u00e0ng: Do \u0111\u1ed9 kh\u00f3 c\u1ee7a soi c\u1ea7u 3 c\u00e0ng cao h\u01a1n nhi\u1ec1u so v\u1edbi \u0111\u1ec1 l\u00f4 b\u00ecnh th\u01b0\u1eddng, do v\u1eady t\u1ef7 l\u1ec7 \u0103n c\u0169ng t\u0103ng theo, ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay l\u00e0 t\u1ef7 l\u1ec7 1 \u0103n 400, t\u1ee9c l\u00e0 ng\u01b0\u1eddi ch\u01a1i tr\u00fang s\u1ebd \u0103n g\u1ea5p 400 l\u1ea7n ti\u1ec1n b\u1ecf ra.<\/p>\n \u2013 1 \u0111i\u1ec3m 3 c\u00e0ng b\u1eb1ng bao nhi\u00eau ti\u1ec1n: c\u00e1i n\u00e0y c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o nh\u00e0 c\u00e1i c\u1ee7a t\u1eebng v\u00f9ng mi\u1ec1n, do t\u1ef7 l\u1ec7 \u0103n cao n\u00ean ti\u1ec1n \u0111\u1eb7t c\u01b0\u1ee3c c\u0169ng cao h\u01a1n so v\u1edbi l\u00f4 th\u00f4ng th\u01b0\u1eddng.<\/p>\n C\u00e1c c\u00e1ch \u0111\u00e1nh \u0111\u1ec1 \u0103n ch\u1eafc 3 c\u00e0ng nh\u1ea5t hi\u1ec7n nay d\u01b0\u1edbi \u0111\u00e2y \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i s\u01b0u t\u1ea7m t\u1eeb nhi\u1ec1u ngu\u1ed3n l\u00f4 \u0111\u1ec1 kh\u00e1c nhau \u0111\u1ec3 anh em tham kh\u1ea3o. Cho \u0111\u1ebfn nay th\u00ec c\u00e1c chuy\u00ean gia m\u1edbi t\u00ecm hi\u1ec1u \u0111\u01b0\u1ee3c c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, d\u00f9 t\u1ef7 l\u1ec7 tr\u00fang kh\u00f4ng qu\u00e1 cao, tuy nhi\u00ean c\u0169ng \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 kh\u00e1 t\u1ed1t h\u01a1n v\u1edbi c\u00e1ch \u0111\u00e1nh kh\u00f4ng c\u00f3 ph\u01b0\u01a1ng ph\u00e1p, c\u1ee5 th\u1ec3:<\/p>\n C\u00e1ch n\u00e0y kh\u00e1 \u0111\u01a1n gi\u1ea3n \u0111\u00f3 l\u00e0 b\u1ea1n d\u00f9ng ch\u00ednh \u0111\u1ec1 c\u1ee7a ng\u00e0y h\u00f4m tr\u01b0\u1edbc gh\u00e9p v\u1edbi th\u1ee9 ng\u00e0y \u0111\u00f3 \u0111\u1ec3 ra 3 c\u00e0ng \u0111\u00e1nh cho ng\u00e0y h\u00f4m sau, ho\u1eb7c b\u1ea1n gh\u00e9p \u0111\u1ec1 v\u1edbi ng\u00e0y c\u1ee7a ng\u00e0y h\u00f4m \u0111\u00f3 t\u1ea1o th\u00e0nh 3 c\u00e0ng. N\u00f3i chung l\u00e0 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u1ef7 l\u1ec7 tr\u00fang kh\u00f4ng qu\u00e1 cao, n\u00ean b\u1ea1n kh\u00f4ng n\u00ean \u0111\u1ea7u t\u01b0 qu\u00e1 nhi\u1ec1u.<\/p>\n Nh\u1eefng c\u00e1ch \u0111\u00e1nh \u0111\u1ec1 3 c\u00e0ng<\/strong><\/span> ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/em><\/p>\n VD: Th\u1ee9 6 ng\u00e0y 23\/6\/2024, l\u00f4 \u0111\u1ec1 b\u1ea1ch th\u1ee7 v\u1ec1 23, \u0111\u00e1nh 3 c\u00e0ng l\u00e0 623 v\u00e0 323, 223, ta c\u00f3 h\u00f4m sau v\u1ec1 l\u00f4 3 c\u00e0ng n\u00e0y.<\/p>\n Th\u1ee9 3 ng\u00e0y 4\/7\/2024, l\u00f4 \u0111\u1ec1 b\u1ea1ch th\u1ee7 v\u1ec1 48, \u0111\u00e1nh 3 c\u00e0ng 348 v\u00e0 448, ta c\u00f3 h\u00f4m sau v\u1ec1 448.<\/p>\n Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u00e1p d\u1ee5ng nh\u01b0 sau: Ki\u1ec3m tra l\u00f4 \u0111\u1ec1 b\u1ea1ch th\u1ee7<\/strong> <\/em><\/span>v\u1ec1 ng\u00e0y h\u00f4m \u0111\u00f3 l\u00e0 bao nhi\u00eau, n\u1ebfu l\u00e0 ng\u00e0y l\u1ebb ra \u0111\u1ec1 l\u00f4 b\u1ea1ch th\u1ee7 l\u1ebb th\u00ec gh\u00e9p t\u1ed5ng \u0111\u1ec1 v\u1edbi m\u1ed9t trong 2 c\u1ea7u b\u1ea1ch th\u1ee7 v\u00e0 gh\u00e9p v\u1edbi ng\u00e0y. T\u01b0\u01a1ng t\u1ef1 \u00e1p d\u1ee5ng v\u1edbi ng\u00e0y ch\u1eb5n.<\/p>\n G\u1ee3i \u00fd: Ng\u00e0y 21\/10 c\u00f3 \u0111\u1ec1 v\u1ec1 43, t\u1ed5ng \u0111\u1ec1 l\u00e0 7, gh\u00e9p l\u1ea1i ta c\u00f3 c\u00e1c c\u1ea7u 3 c\u00e0ng 742, 741, 732, 731.<\/p>\n VD c\u1ee5 th\u1ec3: Ng\u00e0y 04\/7\/2024 l\u00e0 ng\u00e0y ch\u1eb5n, \u0111\u1ec1 v\u1ec1 ch\u1eb5n l\u00e0 48, t\u1ed5ng \u0111\u1ec1 l\u00e0 12, ta c\u00f3 c\u00e1c c\u1ea7u 340, 380, 344, 384, ng\u00e0y 5\/7 v\u1ec1 340.<\/p>\n B\u00f3ng d\u01b0\u01a1ng: 1 \u2013 6, 2 \u2013 7, 3 \u2013 8, 4 \u2013 9, 5 \u2013 0.<\/p>\n B\u00f3ng \u00e2m: 1 \u2013 4, 2 \u2013 9, 3 \u2013 6, 5 \u2013 8, 0 \u2013 7<\/p>\n C\u00e1ch soi c\u1ea7u 3 c\u00e0ng<\/strong><\/span> theo b\u00f3ng t\u1ed5ng: T\u00ednh t\u1ed5ng c\u1ee7a b\u1ea1ch th\u1ee7 l\u00f4 \u0111\u1ec1 ng\u00e0y h\u00f4m \u0111\u00f3, t\u00ecm b\u00f3ng s\u1ed1 c\u1ee7a t\u1ed5ng, gh\u00e9p v\u1edbi b\u1ea1ch th\u1ee7 \u0111\u1ec1 v\u1ec1 t\u1ea1o th\u00e0nh d\u00e0n 3 c\u00e0ng \u0111\u00e1nh cho h\u00f4m sau.<\/p>\n L\u01b0u \u00fd: n\u1ebfu t\u1ed5ng l\u1edbn h\u01a1n 10 th\u00ec ta c\u00f3 th\u1ec3 c\u1ed9ng 2 s\u1ed1 l\u1ea1i ho\u1eb7c l\u1ea5y s\u1ed1 cu\u1ed1i c\u1ee7a t\u1ed5ng \u0111\u1ec1u \u0111\u01b0\u1ee3c.<\/p>\n VD: N\u1ebfu \u0111\u1ec1 v\u1ec1 61, t\u1ed5ng 7, ta c\u00f3 b\u00f3ng c\u1ee7a 7 l\u00e0 2 v\u00e0 0, nh\u01b0 v\u1eady ta c\u00f3 c\u00e1c c\u1ea7u 761, 261, 061<\/p>\n Theo nh\u1eadn \u0111\u1ecbnh c\u1ee7a m\u00ecnh th\u00ec 3 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ch\u1ec9 \u00e1p d\u1ee5ng lu\u00e2n phi\u00ean m\u1edbi c\u00f3 hi\u1ec7u qu\u1ea3, kh\u00f4ng th\u1ec3 c\u1ed1 \u0111\u1ecbnh duy nh\u1ea5t m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p, t\u1ef7 l\u1ec7 \u0103n so v\u1edbi nh\u1eefng c\u00e1ch kh\u00e1c th\u00ec t\u01b0\u01a1ng \u0111\u1ed1i h\u01a1n<\/p>\n<\/div>\n<\/article>\n2. T\u00ednh ti\u1ec1n \u0103n 3 c\u00e0ng \u2013 \u0110\u00e1nh \u0111\u1ec1 3 c\u00e0ng 1 \u0111i\u1ec3m \u0103n bao nhi\u00eau?<\/strong><\/h2>\n
3. C\u00e1ch \u0111\u00e1nh \u0111\u1ec1 3 c\u00e0ng ch\u00ednh x\u00e1c nh\u1ea5t, \u0103n ch\u1eafc<\/strong><\/h2>\n
a. C\u00e1ch b\u1eaft 3 c\u00e0ng theo c\u00e1ch gh\u00e9p th\u1ee9 v\u00e0 theo ng\u00e0y<\/strong><\/h3>\n
b. C\u00e1ch \u0111\u00e1nh 3 c\u00e0ng theo ng\u00e0y ch\u1eb5n l\u1ebb<\/strong><\/h3>\n
c. B\u1eaft 3 c\u00e0ng b\u1eb1ng c\u00e1ch gh\u00e9p theo b\u00f3ng c\u1ee7a t\u1ed5ng.<\/strong><\/h3>\n
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