\u0110\u1ed1i v\u1edbi c\u00e1c d\u00e2n ch\u01a1i chuy\u00ean nghi\u1ec7p trong vi\u1ec7c soi c\u1ea7u l\u00f4 \u0111\u1ec1, nh\u1ea5t \u0111\u1ecbnh kh\u00f4ng ai l\u00e0 kh\u00f4ng bi\u1ebft t\u1edbi ph\u01b0\u01a1ng ph\u00e1p b\u1eaft l\u00f4 k\u00e9p. \u0110\u00e2y l\u00e0 h\u00ecnh th\u1ee9c ch\u01a1i t\u01b0\u01a1ng \u0111\u1ed1i ph\u1ed5 bi\u1ebfn v\u00e0 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u00ednh to\u00e1n, b\u1eaft \u0111\u1ec1 tr\u00f9ng c\u00f3 t\u1ef7 l\u1ec7 v\u1ec1 cao nh\u1ea5t. Khi s\u1eed d\u1ee5ng c\u00e1ch b\u1eaft l\u00f4 k\u00e9p hi\u1ec7u qu\u1ea3,<\/b> ng\u01b0\u1eddi ch\u01a1i s\u1ebd \u0111o\u00e1n bi\u1ebft ch\u00ednh x\u00e1c c\u00e1c con s\u1ed1 n\u00e0o s\u1ebd xu\u1ea5t hi\u1ec7n th\u00f4ng qua nh\u1eefng quy lu\u1eadt c\u1ee7a l\u00f4 \u0111\u1ec1 k\u00e9p. Nh\u1eefng quy lu\u1eadt n\u00e0y \u0111\u01b0\u1ee3c t\u00edch l\u0169y v\u00e0 truy\u1ec1n d\u1ea1y t\u1eeb \u201cnh\u1eefng b\u1eadc cao nh\u00e2n\u201d l\u00e2u n\u0103m trong vi\u1ec7c ch\u01a1i l\u00f4 \u0111\u1ec1. V\u1eady l\u00f4 \u0111\u1ec1 k\u00e9p l\u00e0 g\u00ec? C\u00e1ch ch\u01a1i nh\u01b0 th\u1ebf n\u00e0o m\u00e0 c\u00f3 th\u1ec3 gi\u00fap ng\u01b0\u1eddi ch\u01a1i soi c\u1ea7u m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, hi\u1ec7u qu\u1ea3 v\u00e0 chi\u1ebfn th\u1eafng d\u1ec5 d\u00e0ng?<\/p>\nTh\u00f4ng tin chung v\u1ec1 c\u00e1c lo\u1ea1i l\u00f4 \u0111\u1ec1:<\/b><\/h2>\n
Tr\u01b0\u1edbc khi \u0111i s\u00e2u t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1ch b\u1eaft l\u00f4 k\u00e9p hi\u1ec7u qu\u1ea3<\/b> h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u th\u1ebf n\u00e0o l\u00e0 l\u00f4 \u0111\u1ec1 k\u00e9p v\u00e0 nghi\u00ean c\u1ee9u ch\u00fang th\u1eadt k\u1ef9.<\/p>\n
L\u00f4 \u0111\u1ec1 hi\u1ec7n nay \u0111\u01b0\u1ee3c ph\u00e2n chia l\u00e0m 3 lo\u1ea1i kh\u00e1c nhau \u0111\u00f3 l\u00e0 l\u00f4 \u0111\u1ec1 ch\u1ea1m, l\u00f4 \u0111\u1ec1 th\u01b0\u1eddng v\u00e0 l\u00f4 \u0111\u1ec1 k\u00e9p<\/p>\n
L\u00f4 \u0111\u1ec1 ch\u1ea1m:<\/b><\/h3>\n
L\u00f4 \u0111\u1ec1 ch\u1ea1m: Bao g\u1ed3m c\u00e1c s\u1ed1 c\u00f3 \u0111\u1ea7u gi\u1ed1ng nhau ho\u1eb7c \u0111u\u00f4i gi\u1ed1ng nhau, trong \u0111\u00f3 l\u00f4 \u0111\u1ec1 c\u00f3 \u0111\u1ea7u \u0111u\u00f4i ch\u1ea1m 0 l\u00e0 l\u00f4 \u0111\u1eb7c bi\u1ec7t nh\u1ea5t<\/p>\n
L\u00f4 \u0111\u1ec1 th\u01b0\u1eddng:<\/b><\/h3>\n
L\u00f4 \u0111\u1ec1 th\u01b0\u1eddng: Nh\u1eefng b\u1ed9 c\u1ea7u l\u00f4 \u0111\u1ec1 ngo\u00e0i l\u00f4 \u0111\u1ec1 k\u00e9p \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 l\u00f4 \u0111\u1ec1 th\u01b0\u1eddng<\/p>\n
L\u00f4 \u0111\u1ec1 k\u00e9p:<\/b><\/h3>\n
L\u00f4 \u0111\u1ec1 k\u00e9p: L\u00e0 nh\u1eefng c\u1eb7p s\u1ed1 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb 2 s\u1ed1 gi\u1ed1ng nhau trong 100 s\u1ed1. C\u00f3 t\u1ea5t c\u1ea3 c\u00f3 10 c\u1eb7p s\u1ed1 l\u00f4 \u0111\u1ec1 k\u00e9p \u0111\u00f3 l\u00e0 00, 11, 22, 33, 44, 55, 66, 77, 88, 99. Ng\u01b0\u1eddi ch\u01a1i \u0111\u00e1nh nh\u1eefng con s\u1ed1 n\u00e0y hay g\u1ecdi \u0111\u00e1nh k\u00e9p hay \u0111\u00e1nh d\u00e0n k\u00e9p<\/p>\n
B\u1eaft l\u00f4 k\u00e9p nh\u01b0 th\u1ebf n\u00e0o ch\u00ednh x\u00e1c nh\u1ea5t?<\/b><\/h2>\n
C\u0169ng nh\u01b0 m\u1ecdi con l\u00f4 \u0111\u1ec1 kh\u00e1c \u0111\u1ec3 soi c\u1ea7u \u0111\u01b0\u1ee3c l\u00f4 \u0111\u1ec1 k\u00e9p l\u00e0 vi\u1ec7c th\u1ef1c s\u1ef1 kh\u00f4ng d\u1ec5 d\u00e0ng nh\u01b0 nhi\u1ec1u ng\u01b0\u1eddi t\u01b0\u1edfng. Tuy nhi\u00ean, l\u00f4 k\u00e9p v\u1eabn c\u00f3 nh\u1eefng d\u1ea5u hi\u1ec7u v\u00e0 quy lu\u1eadt ri\u00eang c\u1ee7a ch\u00fang, ng\u01b0\u1eddi ch\u01a1i ch\u1ec9 c\u1ea7n t\u00ecm hi\u1ec3u k\u1ef9 v\u00e0 \u00e1p d\u1ee5ng th\u00ec s\u1ebd n\u1eafm ch\u1eafc ph\u1ea7n th\u1eafng trong tay. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng c\u00e1ch b\u1eaft l\u00f4 k\u00e9p hi\u1ec7u qu\u1ea3 <\/b>\u0111\u01b0\u1ee3c c\u00e1c ng\u01b0\u1eddi ch\u01a1i \u201cl\u00e3o l\u00e0ng\u201d t\u00edch l\u0169y trong th\u1eddi gian d\u00e0i v\u00e0 truy\u1ec1n d\u1ea1y l\u1ea1i, \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i chuy\u00ean nghi\u1ec7p th\u01b0\u1eddng xuy\u00ean \u00e1p d\u1ee5ng v\u00e0 \u0111\u00e3 th\u00e0nh c\u00f4ng<\/p>\nB\u1eaft l\u00f4 k\u00e9p d\u1ef1a v\u00e0o gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/b><\/h3>\n
Ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea7u ti\u00ean v\u00e0 c\u0169ng l\u00e0 \u0111\u01a1n gi\u1ea3n nh\u1ea5t m\u00e0 t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi ch\u01a1i \u0111\u1ec1u c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng \u0111\u00f3 l\u00e0 b\u1eaft l\u00f4 k\u00e9p d\u1ef1a v\u00e0o hai s\u1ed1 \u0111\u1ea7u c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. \u0110\u1ec3 \u00e1p d\u1ee5ng c\u00e1ch ch\u01a1i \u0111\u01a1n gi\u1ea3n n\u00e0y c\u00e1c b\u1ea1n th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc nh\u01b0 sau:<\/p>\n
- \n
- \u0110\u1ea7u ti\u00ean, c\u00e1c b\u1ea1n ph\u1ea3i theo d\u00f5i k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u00e1c ng\u00e0y trong tu\u1ea7n. Khi k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 ng\u00e0y h\u00f4m \u0111\u00f3 v\u1ec1 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u00f3 hai s\u1ed1 \u0111\u1ea7u ti\u00ean l\u00e0 l\u00f4 k\u00e9p th\u00ec \u0111\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y l\u00f4 k\u00e9p \u0111\u00f3 s\u1ebd v\u1ec1 trong th\u1eddi gian t\u1edbi.<\/li>\n
- B\u01b0\u1edbc ti\u1ebfp theo, c\u00e1c b\u1ea1n ti\u1ebfp t\u1ee5c nu\u00f4i con l\u00f4 k\u00e9p tr\u00ean theo ph\u01b0\u01a1ng ph\u00e1p nu\u00f4i l\u00f4 khung l\u00f4 3 ng\u00e0y. Ch\u1eafc ch\u1eafn con l\u00f4 \u0111\u01b0\u1ee3c nu\u00f4i s\u1ebd v\u1ec1 1 trong 3 ng\u00e0y ti\u1ebfp theo n\u00e0y.<\/li>\n<\/ul>\n
C\u00e1ch \u0111\u01a1n gi\u1ea3n nh\u1ea5t \u0111\u1ec3 b\u1eaft l\u00f4 k\u00e9p l\u00e0 d\u1ef1a v\u00e0o gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/i><\/p>\n
V\u00ed d\u1ee5: Ch\u00fang ta c\u00f3 k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 00177. D\u1ec5 d\u00e0ng nh\u1eadn th\u1ea5y r\u1eb1ng hai s\u1ed1 \u0111\u1ea7u c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 00 c\u00f3 ngh\u0129a \u0111\u00f3 l\u00e0 l\u00f4 k\u00e9p 00. \u0110\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u b\u00e1o l\u00f4 k\u00e9p n\u00e0y s\u1ebd xu\u1ea5t hi\u1ec7n trong th\u1eddi gian t\u1edbi. Ti\u1ebfp t\u1ee5c nu\u00f4i l\u00f4 00 n\u00e0y theo ph\u01b0\u01a1ng ph\u00e1p khung l\u00f4 3 ng\u00e0y ch\u1eafc ch\u1eafn s\u1ebd v\u1ec1 v\u00e0o 1 trong 3 ng\u00e0y n\u00e0y.<\/p>\n
B\u1eaft l\u00f4 k\u00e9p d\u1ef1a v\u00e0o l\u00f4 \u0111\u1ea7u c\u00e2m v\u00e0 l\u00f4 \u0111u\u00f4i c\u00e2m<\/b><\/h3>\n
C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n:<\/b><\/h3>\n
M\u1ed9t c\u00e1ch b\u1eaft l\u00f4 k\u00e9p<\/b> kh\u00e1c c\u0169ng c\u00f3 t\u00ednh ch\u00ednh x\u00e1c r\u1ea5t cao, \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i coi \u0111\u00e2y l\u00e0 b\u00ed k\u00edp \u0111\u1ec3 chi\u1ebfn th\u1eafng \u0111\u00f3 l\u00e0 b\u1eaft l\u00f4 k\u00e9p th\u00f4ng qua l\u00f4 \u0111\u1ea7u c\u00e2m v\u00e0 l\u00f4 \u0111u\u00f4i c\u00e2m. H\u00e3y c\u00f9ng theo d\u00f5i c\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u th\u00fa v\u1ecb n\u00e0y ngay sau \u0111\u00e2y:<\/p>\n
- \n
- B\u01b0\u1edbc 1:<\/b> Ng\u01b0\u1eddi ch\u01a1i theo d\u00f5i k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 ng\u00e0y h\u00f4m nay, th\u1ed1ng k\u00ea xem k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 c\u00f3 xu\u1ea5t hi\u1ec7n l\u00f4 \u0111\u1ea7u c\u00e2m hay l\u00f4 \u0111u\u00f4i\/\u0111\u00edt c\u00e2m n\u00e0o kh\u00f4ng?<\/li>\n<\/ul>\n
- \n
- B\u01b0\u1edbc 2:<\/b> N\u1ebfu th\u1ea5y xu\u1ea5t hi\u1ec7n l\u00f4 \u0111\u1ea7u c\u00e2m th\u00ec b\u1ea1n nu\u00f4i l\u00f4 k\u00e9p c\u1ee7a \u0111\u1ea7u c\u00e2m \u0111\u00f3 trong 3 ng\u00e0y ti\u1ebfp theo. Trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a \u0111u\u00f4i\/\u0111\u00edt c\u00e2m th\u00ec b\u1ea1n nu\u00f4i l\u00f4 k\u00e9p c\u1ee7a \u0111u\u00f4i\/\u0111\u00edt c\u00e2m \u0111\u00f3 trong v\u00f2ng 2 ng\u00e0y ti\u1ebfp theo.<\/li>\n<\/ul>\n
B\u1ea3ng th\u1ed1ng k\u00ea l\u00f4 \u0111\u1ea7u c\u00e2m, \u0111u\u00f4i c\u00e2m<\/i><\/p>\n
V\u00ed d\u1ee5: Theo nh\u01b0 b\u1ea3ng th\u1ed1ng k\u00ea l\u00f4 \u0111\u1ea7u c\u00e2m v\u00e0 \u0111u\u00f4i\/\u0111\u00edt c\u00e2m c\u1ee7a k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 \u1edf tr\u00ean, c\u00f3 th\u1ec3 th\u1ea5y 1 ch\u00ednh l\u00e0 l\u00f4 \u0111\u1ea7u c\u00e2m v\u00e0 4 l\u00e0 l\u00f4 \u0111u\u00f4i\/\u0111\u00edt c\u00e2m. K\u1ebft qu\u1ea3 soi c\u1ea7u b\u1ea1n \u0111\u01b0\u1ee3c l\u00f4 \u0111\u1ea7u k\u00e9p l\u00e0 11 v\u00e0 l\u00f4 \u0111u\u00f4i k\u00e9p l\u00e0 44. Sau \u0111\u00f3 b\u1ea1n ti\u1ebfp t\u1ee5c nu\u00f4i con l\u00f4 k\u00e9p 11 trong 3 ng\u00e0y v\u00e0 l\u00f4 44 trong v\u00f2ng 2 ng\u00e0y ti\u1ebfp theo, ch\u1eafc ch\u1eafn b\u1ea1n s\u1ebd gi\u00e0nh chi\u1ebfn th\u1eafng.<\/p>\n
L\u01b0u \u00fd:<\/b><\/h3>\n
Trong tr\u01b0\u1eddng h\u1ee3p n\u1ebfu b\u1ea1n nu\u00f4i l\u00f4 \u0111\u1ea7u k\u00e9p trong 3 ng\u00e0y m\u00e0 v\u1eabn ch\u01b0a v\u1ec1 th\u00ec ph\u1ea3i l\u00e0m sao? \u0110\u1eebng v\u1ed9i n\u1ea3n l\u00f2ng nh\u00e9, b\u1ea1n h\u00e3y ki\u00ean tr\u00ec th\u00eam m\u1ed9t ch\u00fat n\u1eefa. B\u1ea1n ch\u1ec9 c\u1ea7n ngh\u1ec9 m\u1ed9t ng\u00e0y, sau \u0111\u00f3 b\u1ea1n ti\u1ebfp t\u1ee5c nu\u00f4i th\u00eam \u0111\u1ea7u k\u00e9p n\u00e0y trong 3 ng\u00e0y ti\u1ebfp theo. Ch\u1eafc ch\u1eafn b\u1ea1n s\u1ebd gi\u00e0nh chi\u1ebfn th\u1eafng, v\u00ec \u0111a s\u1ed1 l\u00f4 k\u00e9p trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y s\u1ebd v\u1ec1 trong 1 \u0111\u1ebfn 2 ng\u00e0y ti\u1ebfp theo m\u00e0 th\u00f4i. B\u1ea1n th\u1ea5y c\u00e1ch b\u1eaft l\u00f4 k\u00e9p<\/b> n\u00e0y c\u0169ng v\u00f4 c\u00f9ng \u0111\u01a1n gi\u1ea3n \u0111\u00fang kh\u00f4ng n\u00e0o!<\/p>\n
B\u1eaft l\u00f4 k\u00e9p c\u00e1ch ch\u01a1i \u0111\u01a1n gi\u1ea3n m\u00e0 hi\u1ec7u qu\u1ea3<\/i><\/p>\n
K\u1ebft lu\u1eadn<\/b><\/h2>\n
Sau khi t\u00ecm hi\u1ec3u v\u1ec1 l\u00f4 \u0111\u1ec1 k\u00e9p, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng nh\u1eadn th\u1ea5y khi th\u1ef1c hi\u1ec7n c\u00e1ch b\u1eaft l\u00f4 k\u00e9p hi\u1ec7u qu\u1ea3 <\/b>ta ch\u1ec9 c\u1ea7n t\u1eadp trung soi c\u1ea7u 10 c\u1eb7p s\u1ed1 tr\u00f9ng nhau n\u00e0y m\u00e0 th\u00f4i. V\u00ec v\u1eady ph\u01b0\u01a1ng ph\u00e1p b\u1eaft l\u00f4 k\u00e9p n\u00e0y \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i c\u00f3 kinh nghi\u1ec7m tin d\u00f9ng v\u00ec m\u1ee9c \u0111\u1ed9 t\u1eadp trung r\u1ea5t cao, b\u1ea1n s\u1ebd d\u1ec5 d\u00e0ng t\u00ecm ra quy lu\u1eadt c\u1ee7a n\u00f3 v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 t\u1ef7 l\u1ec7 chi\u1ebfn th\u1eafng th\u01b0\u1eddng kh\u00e1 cao. Nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i trung th\u00e0nh v\u1edbi ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00e3 c\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng chi\u1ebfn th\u1eafng v\u00f4 c\u00f9ng l\u1edbn.<\/p>\n
Ngo\u00e0i ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u b\u1eb1ng c\u00e1ch b\u1eaft l\u00f4 k\u00e9p hi\u1ec7u qu\u1ea3 <\/b>\u0111\u01b0\u1ee3c n\u00eau \u1edf tr\u00ean, ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 n\u00e2ng cao t\u1ef7 l\u1ec7 chi\u1ebfn th\u1eafng cho m\u00ecnh b\u1eb1ng c\u00e1ch tham kh\u1ea3o v\u00e0 t\u00ecm hi\u1ec3u c\u00e1ch nu\u00f4i l\u00f4 k\u00e9p chu\u1ea9n nh\u1ea5t<\/strong>, k\u1ebft h\u1ee3p nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u hi\u1ec7u qu\u1ea3 kh\u00e1c. M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c nhi\u1ec1u d\u00e2n ch\u01a1i chuy\u00ean nghi\u1ec7p c\u00f4ng nh\u1eadn v\u1ec1 t\u00ednh ch\u00ednh x\u00e1c nh\u01b0 soi c\u1ea7u th\u00f4ng qua b\u1ea1c nh\u1edb, l\u00f4 gan\u2026B\u1ea1n ch\u1ec9 c\u1ea7n \u0111\u1ea7u t\u01b0 m\u1ed9t ch\u00fat th\u1eddi gian, tuy nhi\u00ean ph\u1ea7n th\u01b0\u1edfng m\u00e0 b\u1ea1n \u0111\u01b0\u1ee3c nh\u1eadn l\u1ea1i l\u00e0 r\u1ea5t l\u1edbn.<\/p>\n<\/div>\n<\/div>\n
- B\u01b0\u1edbc 2:<\/b> N\u1ebfu th\u1ea5y xu\u1ea5t hi\u1ec7n l\u00f4 \u0111\u1ea7u c\u00e2m th\u00ec b\u1ea1n nu\u00f4i l\u00f4 k\u00e9p c\u1ee7a \u0111\u1ea7u c\u00e2m \u0111\u00f3 trong 3 ng\u00e0y ti\u1ebfp theo. Trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a \u0111u\u00f4i\/\u0111\u00edt c\u00e2m th\u00ec b\u1ea1n nu\u00f4i l\u00f4 k\u00e9p c\u1ee7a \u0111u\u00f4i\/\u0111\u00edt c\u00e2m \u0111\u00f3 trong v\u00f2ng 2 ng\u00e0y ti\u1ebfp theo.<\/li>\n<\/ul>\n
- B\u01b0\u1edbc 1:<\/b> Ng\u01b0\u1eddi ch\u01a1i theo d\u00f5i k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 ng\u00e0y h\u00f4m nay, th\u1ed1ng k\u00ea xem k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 c\u00f3 xu\u1ea5t hi\u1ec7n l\u00f4 \u0111\u1ea7u c\u00e2m hay l\u00f4 \u0111u\u00f4i\/\u0111\u00edt c\u00e2m n\u00e0o kh\u00f4ng?<\/li>\n<\/ul>\n