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C\u00e1ch \u0111\u00e1nh \u0111\u1ec1 3 c\u00e0ng<\/strong> ch\u00ednh x\u00e1c nh\u1ea5t d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch 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 l\u00e2u n\u0103m.<\/p>\n\u0110\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 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
<\/span><\/p>\nC\u00e1ch \u0111\u00e1nh \u0111\u1ec1 3 c\u00e0ng<\/p>\n<\/div>\n
1. L\u00f4 \u0111\u1ec1 3 c\u00e0ng l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n\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
\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><\/span><\/h2>\n\u2013 T\u1ef7 l\u1ec7 \u0103n 3 c\u00e0ng: Do \u0111\u1ed9 kh\u00f3 c\u1ee7a 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