Ch\u01a1i \u0111\u1ec1 l\u00e0 c\u00e1ch ki\u1ebfm ti\u1ec1n b\u1eb1ng v\u1eadn may \u0111\u01b0\u1ee3c kh\u00e1 nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m. Trong s\u1ed1 \u0111\u00f3, l\u00f4 \u0111\u1ec1 3 c\u00e0ng n\u1ed5i b\u1eadt h\u01a1n c\u1ea3. N\u1ebfu l\u00f4 \u0111\u1ec1 n\u00e0y may m\u1eafn tr\u00fang b\u1ea1n s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 ti\u1ec1n kh\u1ed5ng l\u1ed3. V\u1eady c\u00e1ch t\u00ednh \u0111\u1ec1 3 c\u00e0ng<\/strong> nh\u01b0 th\u1ebf n\u00e0o ch\u00ednh x\u00e1c hi\u1ec7u qu\u1ea3? Ch\u00fang t\u00f4i s\u1ebd chia s\u1ebb kinh nghi\u1ec7m ch\u01a1i l\u00f4 \u0111\u1ec1 cho anh em.<\/p>\n M\u1ed9t trong nh\u1eefng \u201ckim ch\u1ec9 nam\u201d quy\u1ebft \u0111\u1ecbnh s\u1ef1 th\u00e0nh b\u1ea1i trong b\u1ea5t k\u1ef3 cu\u1ed9c ch\u01a1i n\u00e0o \u0111\u00f3 l\u00e0 \u201cBi\u1ebft ng\u01b0\u1eddi bi\u1ebft ta, tr\u0103m tr\u1eadn tr\u0103m th\u1eafng\u201d. V\u1edbi \u0111\u1ec1 3 c\u00e0ng <\/strong>c\u0169ng kh\u00f4ng ngo\u1ea1i l\u1ec7, tr\u01b0\u1edbc khi ch\u01a1i, b\u1ea1n c\u1ea7n hi\u1ec3u r\u00f5 ch\u00fang l\u00e0 g\u00ec, \u0111\u1eb7c \u0111i\u1ec3m ra sao \u0111\u1ec3 c\u00f3 ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i ph\u00f9 h\u1ee3p, hi\u1ec7u qu\u1ea3.<\/p>\n L\u00f4 \u0111\u1ec1 3 c\u00e0ng c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1ch ch\u01a1i l\u00f4 \u0111\u1ec1 b\u00ecnh th\u01b0\u1eddng nh\u01b0ng thay v\u00ec d\u1ef1 \u0111o\u00e1n 2 s\u1ed1 cu\u1ed1i c\u00f9ng c\u1ee7a gi\u1ea3i x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft th\u00ec l\u1ea7n n\u00e0y b\u1ea1n ph\u1ea3i d\u1ef1 \u0111o\u00e1n \u0111\u00fang 3 s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft \u0111\u00f3. 3 s\u1ed1 cu\u1ed1i c\u00f9ng n\u00e0y c\u00f2n t\u00f9y thu\u1ed9c v\u00e0o 3 s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. C\u00e1c gi\u1ea3i nh\u1ea5t, nh\u00ec s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c t\u00ednh khi ch\u01a1i \u0111\u1ec1 3 c\u00e0ng m\u00e0 t\u00ednh cho l\u00f4 xi\u00ean.<\/p>\n S\u1ed1 ti\u1ec1n m\u00e0 b\u1ea1n tr\u00fang \u0111\u01b0\u1ee3c khi ch\u01a1i \u0111\u1ec1 3 c\u00e0ng l\u00e0 r\u1ea5t kh\u1ee7ng. Tuy nhi\u00ean, x\u00e1c su\u1ea5t tr\u00fang th\u01b0\u1edfng c\u0169ng kh\u00f4ng ph\u1ea3i d\u1ec5 d\u00e0ng. T\u1ef7 l\u1ec7 tr\u00fang kho\u1ea3ng 1\/1000 ngh\u0129a l\u00e0 m\u1ed7i ng\u01b0\u1eddi ch\u1ec9 c\u00f3 kho\u1ea3ng 0.1% x\u00e1c su\u1ea5t tr\u00fang gi\u1ea3i trong m\u1ed9t ng\u00e0y m\u00e0 th\u00f4i.<\/p>\n Trong c\u00e1ch t\u00ednh \u0111\u1ec1 3 c\u00e0ng, <\/strong>ng\u01b0\u1eddi ch\u01a1i \u0111\u01b0\u1ee3c \u0103n theo t\u1ef7 l\u1ec7 1 \u0103n 400. T\u1ee9c l\u00e0 khi b\u1ea1n tr\u00fang, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c g\u1ea5p 400 l\u1ea7n s\u1ed1 ti\u1ec1n m\u00e0 b\u1ea1n \u0111\u1eb7t v\u00e0o. S\u1ed1 ti\u1ec1n n\u00e0y s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o t\u1eebng v\u00f9ng mi\u1ec1n, v\u00ec n\u00f3 kh\u00f3 \u0111o\u00e1n v\u00e0 c\u0169ng ch\u01b0a \u0111\u01b0\u1ee3c h\u1ee3p ph\u00e1p h\u00f3a n\u00ean kh\u00f4ng c\u00f3 t\u1ef7 l\u1ec7 \u0103n ti\u1ec1n c\u1ed1 \u0111\u1ecbnh. Nh\u01b0ng nh\u00ecn chung, ch\u01a1i \u0111\u1ec1 3 c\u00e0ng s\u1ebd tr\u00fang l\u1edbn h\u01a1n so v\u1edbi c\u00e1ch ch\u01a1i th\u00f4ng th\u01b0\u1eddng.<\/p>\n <\/p>\n Hi\u1ec7n nay, ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u1eb7t ti\u1ec1n v\u00e0o c\u00e1c nh\u00e0 c\u00e1i tr\u1ef1c tuy\u1ebfn c\u00f3 t\u1ed5 ch\u1ee9c x\u1ed5 s\u1ed1. M\u1ed9t s\u1ed1 c\u00e1ch t\u00ednh \u0111\u1ec1 3 c\u00e0ng<\/em> hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0 sau:<\/p>\n X\u1ed5 s\u1ed1 di\u1ec5n ra h\u00e0ng ng\u00e0y n\u00ean b\u1ea1n c\u00f3 th\u1ec3 gh\u00e9p c\u00e1c th\u1ee9 c\u1ee7a ng\u00e0y b\u1ea1n ch\u01a1i v\u1edbi b\u1ea1ch th\u1ee7 \u0111ang c\u00f3. V\u00ed d\u1ee5, h\u00f4m nay l\u00e0 th\u1ee9 6, l\u00f4 b\u1ea1ch th\u1ee7 l\u00e0 20 th\u00ec b\u1ea1n s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c con s\u1ed1 \u0111\u1ec3 \u0111\u1eb7t c\u01b0\u1ee3c l\u00e0 620. Ho\u1eb7c h\u00f4m nay l\u00e0 th\u1ee9 7, b\u1ea1ch th\u1ee7 l\u00f4 l\u00e0 11 th\u00ec s\u1ebd c\u00f3 s\u1ed1 3 c\u00e0ng l\u00e0 711,\u2026<\/p>\n C\u00e1ch n\u00e0y kh\u00e1 th\u00fa v\u1ecb v\u00e0 \u0111\u01a1n gi\u1ea3n. C\u0169ng xem v\u00ed d\u1ee5 \u0111\u1ec3 d\u1ec5 h\u00ecnh dung, b\u1ea1n nh\u00e9!<\/p>\n V\u00ed d\u1ee5: H\u00f4m 29\/11 l\u00e0 ng\u00e0y b\u1ea1n nu\u00f4i l\u00f4 \u0111\u1ec1 3 c\u00e0ng v\u00e0 n\u00f3 r\u01a1i v\u00e0o ng\u00e0y ch\u1eb5n, l\u00f4 b\u1ea1ch th\u1ee7 l\u00e0 23, t\u1ed5ng 2 + 3 = 5 \u2013 l\u1ea1i ra m\u1ed9t s\u1ed1 l\u1ebb. Nh\u01b0 v\u1eady, h\u00e3y b\u1eaft ngay c\u00e0ng 523. C\u00e1ch t\u00ednh ng\u00e0y ch\u1eb5n c\u0169ng t\u01b0\u01a1ng t\u1ef1.<\/p>\n Tuy nhi\u00ean v\u1eabn c\u00f3 tr\u01b0\u1eddng h\u1ee3p h\u00f4m nay l\u00e0 ng\u00e0y ch\u1eb5n nh\u01b0ng l\u00f4 b\u1ea1ch th\u1ee7 l\u1ea1i ra s\u1ed1 l\u1ebb th\u00ec \u00e1p d\u1ee5ng c\u00e1ch n\u00e0y s\u1ebd kh\u00f4ng c\u00f2n ch\u00ednh x\u00e1c n\u1eefa. V\u00ec th\u1ebf, h\u00e3y chuy\u1ec3n sang m\u1ed9t chi\u1ebfn thu\u1eadt kh\u00e1c ph\u00f9 h\u1ee3p h\u01a1n.<\/p>\n <\/p>\n C\u00e1ch n\u00e0y d\u1ec5 d\u00e0ng v\u00e0 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u1eabn c\u00f3 th\u1ec3 tham gia \u0111\u01b0\u1ee3c, ch\u1ec9 c\u1ea7n c\u1ed9ng c\u1ea3 2 s\u1ed1 c\u1ee7a b\u1ea1ch th\u1ee7 l\u00f4 l\u1ea1i v\u1edbi nhau v\u00e0 ch\u1ecdn m\u1ed9t s\u1ed1 \u0111\u01b0\u1ee3c gh\u00e9p l\u1ea1i v\u1edbi s\u1ed1 b\u1ea1ch th\u1ee7 l\u00f4 l\u00e0 \u0111\u01b0\u1ee3c.<\/p>\n V\u00ed d\u1ee5: Trong l\u00f4 b\u1ea1ch th\u1ee7 c\u1ee7a b\u1ea1n c\u00f3 t\u1ed5ng s\u1ed1 l\u00e0 22, t\u1ed5ng c\u1ee7a 2 + 2 = 4 th\u00ec \u0111\u1ec1 3 c\u00e0ng s\u1ebd l\u00e0 422. V\u1eady n\u1ebfu t\u1ed5ng s\u1ed1 l\u00f4 b\u1ea1ch th\u1ee7 l\u1edbn h\u01a1n 10 th\u00ec ph\u1ea3i t\u00ednh nh\u01b0 th\u1ebf n\u00e0o? Tr\u01b0\u1eddng h\u1ee3p t\u1ed5ng l\u00e0 88, t\u1ed5ng s\u1ebd l\u00e0 8 + 8 = 16. L\u00fac n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn ch\u01a1i c\u1ea3 188 ho\u1eb7c 688 \u0111\u1ec1u \u0111\u01b0\u1ee3c.<\/p>\n M\u1eb7c d\u00f9 ch\u01b0a c\u00f3 c\u01a1 s\u1edf khoa h\u1ecdc n\u00e0o nh\u01b0ng th\u1ef1c t\u1ebf \u0111\u00e3 ch\u1ee9ng minh, nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn tr\u00fang l\u1edbn khi d\u1ef1a v\u00e0o \u0111i\u1ec1m b\u00e1o t\u00e2m linh \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 \u0111\u1ec1 3 c\u00e0ng.<\/p>\n Hy v\u1ecdng nh\u1eefng c\u00e1ch t\u00ednh \u0111\u1ec1 3 c\u00e0ng<\/strong> tr\u00ean \u0111\u00e2y t\u1eeb\u00a0 website c\u1ee7a ch\u00fang t\u00f4i s\u1ebd gi\u00fap \u00edch cho b\u1ea1n trong vi\u1ec7c th\u1eed v\u1eadn may v\u00e0 mang v\u1ec1 may m\u1eafn \u201ckh\u1ee7ng\u201d. \u0110\u1eebng qu\u00ean theo d\u00f5i website \u0111\u1ec3 kh\u00f4ng b\u1ecf l\u1ee1 nhi\u1ec1u th\u00f4ng tin th\u00fa v\u1ecb xoay quanh c\u00e1c con s\u1ed1, b\u1ea1n nh\u00e9!<\/p>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n \u201cmu\u1ed1n th\u00e0nh c\u00f4ng ph\u1ea3i tr\u1ea3i qua nhi\u1ec1u th\u1ea5t b\u1ea1i tr\u00ean \u0111\u01b0\u1eddng \u0111\u1eddi c\u00f3 d\u1ea1i m\u1edbi c\u00f3 kh\u00f4n\u201d v\u00ec v\u1eady m\u1ed9t tu\u1ea7n c\u1ea7u c\u00f3 th\u1ec3 g\u00e3y 1 \u0111\u1ebfn 2 ng\u00e0y n\u00ean c\u00e1c b\u1ea1n n\u00ean theo \u0111\u1ec1u \u0111\u1ec3 c\u00f3 l\u00e3i l\u1edbn nh\u00e9 !!!<\/span><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn b\u1ea1ch th\u1ee7 l\u00f4 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn l\u00f4 2 nh\u00e1y mb si\u00eau v\u00edp h\u00f4m nay<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn song th\u1ee7 l\u00f4 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn b\u1ea1ch th\u1ee7 l\u00f4 k\u00e9p mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn song th\u1ee7 l\u00f4 k\u00e9p mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn b\u1ea1ch th\u1ee7 \u0111\u1ec1 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn song th\u1ee7 \u0111\u1ec1 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn d\u00e0n \u0111\u1ec1 4 s\u1ed1 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn d\u00e0n \u0111\u1ec1 6 s\u1ed1 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn d\u00e0n \u0111\u1ec1 8 s\u1ed1 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn d\u00e0n \u0111\u1ec1 10 s\u1ed1 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn d\u00e0n l\u00f4 4 s\u1ed1 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn d\u00e0n l\u00f4 6 s\u1ed1 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn d\u00e0n l\u00f4 8 s\u1ed1 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u d\u00e0n uy t\u00edn l\u00f4 xi\u00ean 2 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u d\u00e0n uy t\u00edn l\u00f4 xi\u00ean 3 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn d\u00e0n l\u00f4 xi\u00ean 4 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn 3 c\u00e0ng mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn d\u00e0n 3 c\u00e0ng 2 s\u1ed1 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn d\u00e0n l\u00f4 10 s\u1ed1 mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn \u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i mb si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn x\u1ec9u ch\u1ee7 mn si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mn si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn gi\u1ea3i 8 mn si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn bao l\u00f4 mn si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn c\u1eb7p x\u1ec9u ch\u1ee7 mn si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn song th\u1ee7 l\u00f4 mn si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn \u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 8 mn si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn \u0111\u1ea7u \u0111u\u00f4i \u0111\u1eb7c bi\u1ec7t mn si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn l\u00f4 3 s\u1ed1 mn si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn x\u1ec9u ch\u1ee7 mt si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mt si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn gi\u1ea3i 8 mt si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn bao l\u00f4 mt si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn c\u1eb7p x\u1ec9u ch\u1ee7 mt si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn song th\u1ee7 l\u00f4 mt si\u00eau v\u00edp<\/a><\/strong><\/p>\n soi c\u1ea7u uy t\u00edn \u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 8 mt si\u00eau v\u00edp<\/a><\/strong><\/p>\n\u0110\u1ec1 3 c\u00e0ng l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n
C\u00e1ch t\u00ednh \u0111\u1ec1 3 c\u00e0ng c\u1ef1c chu\u1ea9n v\u00e0 \u0111\u01a1n gi\u1ea3n<\/strong><\/span><\/h3>\n
C\u00e1ch t\u00ednh \u0111\u1ec1 3 c\u00e0ng theo th\u1ee9 trong ng\u00e0y<\/em>:<\/strong><\/h4>\n
C\u00e1ch t\u00ednh \u0111\u1ec1 3 c\u00e0ng d\u1ef1a v\u00e0o ng\u00e0y ch\u1eb5n l\u1ebb<\/em>:<\/strong><\/h4>\n
C\u00e1ch t\u00ednh \u0111\u1ec1 3 c\u00e0ng theo t\u1ed5ng<\/em><\/strong><\/h4>\n
C\u00e1ch t\u00ednh \u0111\u1ec1 3 c\u00e0ng theo gi\u1ea5c m\u01a1<\/em><\/strong><\/h4>\n
<\/h3>\n
<\/h3>\n
soi c\u1ea7u b\u1ea1ch th\u1ee7 mi\u1ec1n b\u1eafc<\/h3>\n
soi c\u1ea7u si\u00eau chu\u1ea9n mi\u1ec1n b\u1eafc<\/h3>\n
soi c\u1ea7u b\u1ea1ch th\u1ee7 mi\u1ec1n nam<\/h3>\n
soi c\u1ea7u uy t\u00edn b\u1ea1ch th\u1ee7 mi\u1ec1n trung<\/h3>\n