Ch\u01a1i l\u00f4 \u0111\u1ec1 l\u00e0 h\u00ecnh th\u1ee9c c\u00e1 c\u01b0\u1ee3c ph\u1ed5 bi\u1ebfn \u1edf kh\u1eafp m\u1ecdi n\u01a1i. T\u00f9y v\u00e0o m\u1ed7i v\u00f9ng mi\u1ec1n m\u00e0 lu\u1eadt ch\u01a1i l\u00f4 \u0111\u1ec1 s\u1ebd c\u00f3 nh\u1eefng quy \u0111\u1ecbnh kh\u00e1c nhau. Ch\u00ednh v\u00ec v\u1eady m\u00e0 c\u00e1ch t\u00ednh s\u1ed1 \u0111\u1ec1 \u1edf m\u1ed7i n\u01a1i c\u0169ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t. B\u00e0i vi\u1ebft h\u00f4m nay ch\u00fang t\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn \u0111\u1ebfn b\u1ea1n <\/span>c\u00e1ch t\u00ednh s\u1ed1 \u0111\u1ec1 mi\u1ec1n Nam<\/b> chu\u1ea9n x\u00e1c nh\u1ea5t. M\u1eddi c\u00e1c b\u1ea1n c\u00f9ng theo d\u00f5i nh\u00e9.<\/span><\/p>\n N\u1ed9i dung ch\u00ednh<\/p>\n \u1ede mi\u1ec1n Nam ng\u01b0\u1eddi ta c\u00f2n g\u1ecdi h\u00ecnh th\u1ee9c ch\u01a1i l\u00f4 \u0111\u1ec1 l\u00e0 T\u00e0i v\u00e0 X\u1ec9u. H\u1ecd chia ra 2 m\u1ee9c c\u01b0\u1ee3c nh\u01b0 sau:<\/span><\/p>\n N\u1ebfu b\u1ea1n l\u1ef1a ch\u1ecdn nh\u1eefng con s\u1ed1 l\u1edbn h\u01a1n 50 \u0111\u1ec3 ch\u01a1i \u0111\u1ec1 th\u00ec \u0111\u00f3 g\u1ecdi l\u00e0 \u0111\u00e1nh T\u00e0i. C\u00f2n v\u1edbi nh\u1eefng con s\u1ed1 nh\u1ecf h\u01a1n 50 th\u00ec \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u00e1nh X\u1ec9u. Ng\u01b0\u1eddi ch\u01a1i s\u1ebd \u0111\u00e1nh theo \u0111i\u1ec3m v\u00e0 t\u1ef7 l\u1ec7 \u0103n l\u00e0 0,8 \u0103n 75.<\/span><\/p>\nGi\u1edbi thi\u1ec7u v\u1ec1 l\u00f4 \u0111\u1ec1 mi\u1ec1n nam<\/b><\/span><\/h2>\n
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