{"id":158,"count":9,"description":"t\u1eeb kh\u00f3a: C\u00e1ch t\u00ednh soi c\u1ea7u mi\u1ec1n nam cao c\u1ea5p<\/strong> qu\u1ea3 th\u1eadt r\u1ea5t phong ph\u00fa, m\u1ed9t khi \u0111\u00e3 n\u1eafm ch\u1eafc trong tay th\u00ec anh em c\u00f3 th\u1ec3 gia t\u0103ng t\u1ef7 l\u1ec7 chi\u1ebfn th\u1eafng c\u1ee7a m\u00ecnh l\u00ean r\u1ea5t nhi\u1ec1u. H\u00e3y \u0111\u1ecdc b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 tr\u1edf th\u00e0nh chuy\u00ean gia s\u1edf h\u1eefu nhi\u1ec1u c\u00e1ch ch\u01a1i l\u00f4 \u0111\u1ec1 mi\u1ec1n nam chu\u1ea9n ch\u1ec9 nh\u1ea5t.\r\n\r\nB\u00e0i vi\u1ebft:\r\n

X\u1ed5 s\u1ed1 mi\u1ec1n nam l\u00e0 nh\u01b0 th\u1ebf n\u00e0o<\/h2>\r\nsoi c\u1ea7u mi\u1ec1n nam cao c\u1ea5p<\/strong> hay xsmn l\u00e0 h\u00ecnh th\u1ee9c quay s\u1ed1 c\u00f3 th\u01b0\u1edfng. V\u00e0 \u0111\u01b0\u1ee3c di\u1ec5n ra t\u1ea1i 21 t\u1ec9nh th\u00e0nh kh\u00e1c nhau trong khu v\u1ef1c mi\u1ec1n nam hi\u1ec7n nay. Ng\u01b0\u1eddi tham gia s\u1ebd mua m\u1ed9t lo\u1ea1i gi\u1ea5y t\u1edd \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 v\u00e9 s\u1ed1. Tr\u00ean v\u00e9 c\u00f3 in c\u00e1c ch\u1eef s\u1ed1 d\u00f9ng \u0111\u1ec3 so s\u00e1nh v\u1edbi k\u1ebft qu\u1ea3 quay th\u01b0\u1edfng. N\u1ebfu tr\u00f9ng nhau b\u1ea1n s\u1ebd l\u00e0 ng\u01b0\u1eddi th\u1eafng gi\u1ea3i. M\u1ee9c th\u01b0\u1edfng nhi\u1ec1u hay \u00edt tu\u1ef3 thu\u1ed9c v\u00e0o nh\u1eefng con s\u1ed1 tr\u00ean t\u1ea5m v\u00e9.\r\n\r\n\"soi\r\n\r\nsoi c\u1ea7u mi\u1ec1n nam cao c\u1ea5p \u0111\u00e1nh l\u00e0 \u0103n ngay<\/em>\r\n\r\nDo \u0111\u00f3 xsmn \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 tr\u00f2 ch\u01a1i quay s\u1ed1 c\u00f3 th\u01b0\u1edfng. \u0110\u1ec3 mang v\u1ec1 t\u00e0i ch\u00ednh cho ng\u01b0\u1eddi ch\u01a1i c\u0169ng nh\u01b0 cho ng\u00e2n s\u00e1ch nh\u00e0 n\u01b0\u1edbc. Hi\u1ec7n t\u1ea1i Vi\u1ec7t Nam c\u00f3 3 v\u00f9ng mi\u1ec1n. V\u00e0 x\u1ed5 s\u1ed1 c\u0169ng chia theo 3 v\u00f9ng l\u1ea7n l\u01b0\u1ee3t l\u00e0 x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc, x\u1ed5 s\u1ed1 mi\u1ec1n Nam v\u00e0 x\u1ed5 s\u1ed1 mi\u1ec1n Trung. M\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m \u0111\u1eb7c tr\u01b0ng cho t\u1eebng v\u00f9ng mi\u1ec1n c\u1ee7a m\u00ecnh.\r\n

C\u00e1ch ch\u01a1i soi c\u1ea7u mi\u1ec1n nam cao c\u1ea5p \u0111\u1ec1 mn<\/strong> theo ng\u00e0y<\/h2>\r\nV\u1edbi\u00a0c\u00e1ch \u0111\u00e1nh l\u00f4 \u0111\u1ec1 mi\u1ec1n nam<\/strong>\u00a0theo ng\u00e0y, b\u1ea1n c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn nh\u1eefng \u0111\u1ea7u gi\u1ea3i v\u00e0 \u0111u\u00f4i gi\u1ea3i c\u1ee7a gi\u1ea3i s\u1ed1 7 thu\u1ed9c 1 ho\u1eb7c 2 t\u1ec9nh. N\u1ebfu n\u00f3 b\u1eb1ng nhau th\u00ec h\u00e3y l\u1ea5y con s\u1ed1 \u0111\u00f3 \u0111em gh\u00e9p l\u1ea1i v\u1edbi nh\u1eefng s\u1ed1 gi\u1eefa c\u1ee7a t\u1ec9nh ng\u00e0y h\u00f4m \u0111\u00f3 \u0111\u1ec3 nu\u00f4i cho ng\u00e0y h\u00f4m sau.\r\n\r\n\"soi\r\n\r\nsoi c\u1ea7u mi\u1ec1n nam cao c\u1ea5p \u0111\u00e3 ch\u1ed1t s\u1ed1 l\u00e0 chu\u1ea9n<\/em>\r\n\r\nTr\u01b0\u1eddng h\u1ee3p tuy kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng x\u1ea3y ra nh\u01b0ng n\u00f3 l\u1ea1i \u0111em \u0111\u1ebfn l\u1ee3i nhu\u1eadn kh\u00e1 l\u1edbn n\u1ebfu n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c. Ta c\u00f3 th\u1ec3 l\u1ea5y v\u00ed d\u1ee5 nh\u01b0 sau:\r\n\r\nT\u1eeb \u0111\u00f3 c\u00f3 k\u1ebft qu\u1ea3 c\u1ee7a ng\u00e0y 9\/7 t\u1ea1i \u0111\u00e2y nh\u01b0 sau:\r\n\r\nT\u1ec9nh Ti\u1ec1n Giang: v\u1ec1 s\u1ed1\u00a081.T\u1ec9nh Ki\u00ean Giang: v\u1ec1 s\u1ed1\u00a001, 91, 81.\u0110\u00e0 L\u1ea1t v\u1ec1 s\u1ed1\u00a051.\r\n

C\u00e1ch \u0111\u00e1nh l\u00f4 \u0111\u1ec1 mi\u1ec1n nam c\u1ee7a c\u00e1c chuy\u00ean gia c\u1ef1c d\u1ec5 tr\u00fang<\/strong><\/h2>\r\n\u0110\u1ec3 tham gia c\u00e1 c\u01b0\u1ee3c l\u00f4 \u0111\u1ec1 k\u1ebft qu\u1ea3 soi c\u1ea7u mi\u1ec1n nam cao c\u1ea5p<\/strong> hi\u1ec7u qu\u1ea3 d\u1ec5 th\u1eafng, ng\u01b0\u1eddi ch\u01a1i \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 s\u1ef1 nh\u1ea1y b\u00e9n v\u1edbi con s\u1ed1, ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c c\u00e1c d\u1ea5u hi\u1ec7u t\u1eeb b\u1ea3ng k\u1ebft qu\u1ea3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh n\u00ean \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p hay c\u00e1ch soi c\u1ea7u mi\u1ec1n nam ph\u00f9 h\u1ee3p.\r\n\r\nC\u00e1c chuy\u00ean gia soi c\u1ea7u \u0111\u00e3 t\u1ed5ng k\u1ebft 3 c\u00e1ch t\u00ednh l\u00f4 \u0111\u1ec1. XSMN nhanh nh\u1ea5t d\u1ec5 tr\u00fang, ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 tham kh\u1ea3o ho\u00e0n to\u00e0n mi\u1ec5n ph\u00ed:\r\n

Kinh nghi\u1ec7m l\u00f4 \u0111\u1ec1 mi\u1ec1n nam nhanh nh\u1ea5t theo l\u00f4 r\u01a1i<\/strong><\/h3>\r\nT\u00ecm hi\u1ec3u L\u00f4 r\u01a1i \u0111\u01a1n gi\u1ea3n l\u00e0 nh\u1eefng con l\u00f4 \u0111\u00e3 xu\u1ea5t hi\u1ec7n trong b\u1ea3ng k\u1ebft qu\u1ea3 h\u00f4m qua ti\u1ebfp t\u1ee5c xu\u1ea5t hi\u1ec7n trong k\u1ef3 m\u1edf th\u01b0\u1edfng h\u00f4m nay. C\u00f3 2 lo\u1ea1i l\u00f4 r\u01a1i l\u00e0 l\u00f4 r\u01a1i t\u1eeb \u0111\u1ec1 v\u00e0 l\u00f4 r\u01a1i t\u1eeb l\u00f4.\r\n\r\nC\u00e1ch d\u00f2 l\u00f4 \u0111\u1ec1 mi\u1ec1n nam theo l\u00f4 r\u01a1i t\u1eeb \u0111\u1ec1 nh\u01b0 sau: Xem k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 mi\u1ec1n Nam trong tu\u1ea7n, l\u1ea5y 2 s\u1ed1 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a h\u00f4m nay \u0111\u00e1nh bao l\u00f4 \u0111\u00e0i ng\u00e0y h\u00f4m sau, ho\u1eb7c l\u1ea5y G\u0110B c\u1ee7a \u0111\u00e0i \u0111\u00f3 \u1edf tu\u1ea7n tr\u01b0\u1edbc \u0111\u1ec3 \u0111\u00e1nh cho ch\u00ednh \u0111\u00e0i \u1edf tu\u1ea7n n\u00e0y.\r\n\r\nB\u00ed k\u00edp l\u00f4 \u0111\u1ec1 mi\u1ec1n Nam theo l\u00f4 r\u01a1i t\u1eeb l\u00f4: Ch\u1ecdn \u00edt nh\u1ea5t 1 trong 17 l\u00f4 c\u1ee7a ng\u00e0y h\u00f4m tr\u01b0\u1edbc \u0111\u1ec3 \u0111\u00e1nh b\u1ea1ch th\u1ee7 ho\u1eb7c nu\u00f4i d\u00e0n trong c\u00e1c ng\u00e0y ti\u1ebfp theo. N\u1ebfu l\u00e0 ng\u01b0\u1eddi m\u1edbi ch\u01a1i th\u00ec n\u00ean nu\u00f4i d\u00e0n nhi\u1ec1u l\u00f4 r\u01a1i thay v\u00ec ch\u01a1i b\u1ea1ch th\u1ee7.\r\n\r\n\"soi\r\n\r\nsoi c\u1ea7u mi\u1ec1n nam cao c\u1ea5p c\u1ea7u \u0111\u1eb9p theo l\u00e0 \u0103n<\/em>\r\n

C\u00e1ch \u0111\u00e1nh l\u00f4 mi\u1ec1n Nam theo d\u1ea1ng s\u1ed1<\/strong><\/h3>\r\nC\u00e1ch\u00a0t\u00ednh l\u00f4 \u0111\u1ec1 mi\u1ec1n Nam n\u00e0y ch\u1ec9 \u00e1p d\u1ee5ng \u0111\u1ed1i v\u1edbi c\u00e1c gi\u1ea3i c\u00f3 4 ho\u1eb7c 5 ch\u1eef s\u1ed1. C\u00e1ch ch\u01a1i r\u1ea5t \u0111\u01a1n gi\u1ea3n, c\u00e1c b\u1ea1n m\u1edbi tham gia c\u0169ng c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c v\u00ec t\u1ea7n su\u1ea5t xu\u1ea5t hi\u1ec7n d\u1ea5u hi\u1ec7u n\u00e0y t\u01b0\u01a1ng \u0111\u1ed1i nhi\u1ec1u.\r\n\r\nNg\u01b0\u1eddi ch\u01a1i t\u00ednh nh\u01b0 sau: Xem trong b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 mi\u1ec1n Nam 3 \u0111\u00e0i, n\u1ebfu xu\u1ea5t hi\u1ec7n gi\u1ea3i c\u00f3 d\u1ea1ng \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb 2 \u0111\u01a1n v\u1ecb s\u1ed1 A \u2013 B th\u00ec \u0111\u00e1nh c\u1eb7p AB \u2013 BA trong 3 ng\u00e0y ti\u1ebfp theo, c\u00f3 th\u1ec3 nu\u00f4i th\u00eam l\u00ean \u0111\u1ebfn khung 5 ng\u00e0y.\r\n

Nghi\u00ean c\u1ee9u s\u1ed1 \u0111\u1ec1 mi\u1ec1n nam theo ng\u00e0y<\/strong><\/h3>\r\nQuan s\u00e1t KQXSMN trong ng\u00e0y, n\u1ebfu th\u1ea5y \u0111\u1ea7u v\u00e0 \u0111u\u00f4i gi\u1ea3i 7 c\u1ee7a 1 \u0111\u00e0i b\u1eb1ng nhau th\u00ec gh\u00e9p s\u1ed1 \u0111\u00f3 v\u1edbi c\u00e1c s\u1ed1 gi\u1eefa gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u00e1c t\u1ec9nh m\u1edf th\u01b0\u1edfng ng\u00e0y h\u00f4m \u0111\u00f3 \u0111\u1ec3 nu\u00f4i trong ng\u00e0y ti\u1ebfp theo.\r\n\r\nV\u00ed d\u1ee5: K\u1ebft qu\u1ea3 \u0111\u00e0i B\u1ebfn Tre h\u00f4m nay v\u1ec1 gi\u1ea3i 7 l\u00e0 101, s\u1ed1 gi\u1eefa c\u00e1c G\u0110B c\u1ee7a 3 t\u1ec9nh m\u1edf th\u01b0\u1edfng l\u00e0 07 \u2013 B\u1ebfn Tre, 23 \u2013 V\u0169ng T\u00e0u, 56 \u2013 B\u1ea1c Li\u00eau.\r\n\r\nTa c\u00f3 d\u00e0n l\u00f4 \u0111\u1ec1 nu\u00f4i trong ng\u00e0y ti\u1ebfp theo nh\u01b0 sau: 10 \u2013 01 \u2013 17 \u2013 71 \u2013 12 \u2013 21 \u2013 13 \u2013 31 \u2013 15 \u2013 51 \u2013 16 \u2013 61\r\n

C\u00e1ch t\u00ednh l\u00f4 \u0111\u1ec1 mi\u1ec1n nam theo gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/strong><\/h3>\r\nC\u1ed9ng c\u00e1c con s\u1ed1 xu\u1ea5t hi\u1ec7n t\u1ea1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a 1 trong 3 (4) \u0111\u00e0i m\u1edf quay trong ng\u00e0y, gh\u00e9p v\u1edbi 0 ho\u1eb7c 8 \u0111\u1ec3 l\u1ea5y c\u1eb7p l\u00f4 t\u00f4 xi\u00ean \u0111\u00e1nh nu\u00f4i trong v\u00f2ng 3 ng\u00e0y.\r\n\r\nV\u00ed d\u1ee5: G\u0110B c\u1ee7a \u0111\u00e0i \u0110\u1ed3ng Nai h\u00f4m nay v\u1ec1 149826, ta c\u1ed9ng c\u00e1c s\u1ed1: 1+4+9+8+2+6 = 30, 3+0 = 3. Gh\u00e9p 3 v\u1edbi 8 ho\u1eb7c 0, ta \u0111\u01b0\u1ee3c c\u00e1c s\u1ed1 030 ho\u1eb7c 838 nu\u00f4i khung 3 ng\u00e0y.\r\n\r\nNgo\u00e0i nh\u1eefng c\u00e1ch t\u00ednh l\u00f4 \u0111\u1ec1 mi\u1ec1n Nam v\u1eeba \u0111\u01b0\u1ee3c chia s\u1ebb \u1edf tr\u00ean, c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c \u0111\u1ec3 t\u0103ng c\u01a1 h\u1ed9i \u0103n k\u00e8o.\r\n\r\n\"soi\r\n\r\nsoi c\u1ea7u mi\u1ec1n nam cao c\u1ea5p b\u1ea1n s\u1ebd th\u1eafng l\u1edbn m\u1ed7i ng\u00e0y<\/em>\r\n

C\u00e1ch \u0111\u00e1nh l\u00f4 \u0111\u1ec1 mi\u1ec1n nam theo d\u1ea1ng s\u1ed1 b\u00ed truy\u1ec1n<\/h2>\r\nTh\u00eam m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p n\u1eefa m\u00e0 m\u1ecdi ng\u01b0\u1eddi n\u00ean bi\u1ebft khi ch\u01a1i s\u1ed1 \u0111\u1ec1 Mi\u1ec1n Nam \u0111\u00f3 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u l\u00f4 \u0111\u1ec1 d\u1ea1ng s\u1ed1 th\u00ec c\u00e1c gi\u1ea3i \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c ch\u1ec9 c\u00f3 gi\u1ea3i 4 v\u00e0 gi\u1ea3i 5, c\u00e1ch \u0111\u00e1nh nh\u01b0 sau:\r\n\r\nH\u00e3y theo d\u00f5i k\u1ebft qu\u1ea3 c\u1ee7a ng\u00e0y h\u00f4m tr\u01b0\u1edbc, n\u1ebfu trong c\u00e1c gi\u1ea3i \u0111\u01b0\u1ee3c m\u1edf th\u01b0\u1edfng ch\u1ec9 c\u00f3 xu\u1ea5t hi\u1ec7n 2 con s\u1ed1 v\u1eady ta s\u1ebd gh\u00e9p 2 con s\u1ed1 n\u00e0y l\u1ea1i v\u1edbi nhau v\u00e0 \u0111\u00e1nh c\u1eb7p s\u1ed1 \u0111\u00f3 trong 3 ng\u00e0y k\u1ebf ti\u1ebfp. C\u00f3 th\u1ec3 l\u1ea5y v\u00ed d\u1ee5 nh\u01b0 sau:\r\n\r\nTa th\u1ea5y t\u1ea1i gi\u1ea3i 4.3 l\u00e0 05500, k\u1ebft qu\u1ea3 n\u00e0y cho ra 2 con s\u1ed1 0 v\u00e0 5. Khi \u0111\u00f3 ta gh\u00e9p s\u1ed1 v\u00e0 \u0111\u01b0\u1ee3c song th\u1ee7 l\u00f4 05-50 \u0111\u1ec3 nu\u00f4i trong 3 ng\u00e0y ti\u1ebfp theo. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng t\u00ednh hi\u1ec7u qu\u1ea3 kh\u00e1 cao.\r\n

C\u00e1ch \u0111\u00e1nh l\u00f4 ng\u00e0y n\u00e0o c\u0169ng tr\u00fang l\u1edbn<\/span><\/h2>\r\nD\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch \u0111\u00e1nh l\u00f4 \u0111\u1ec1 \u0111\u01b0\u1ee3c anh em trong ngh\u1ec1 truy\u1ec1n tai nhau tr\u00fang l\u1edbn li\u00ean ti\u1ebfp, b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u v\u00e0 nghi\u00ean c\u1ee9u th\u1eed. V\u00e0 t\u1ea5t nhi\u00ean, \u1edf \u0111\u00e2y soicau3miensieuchuan.com kh\u00f4ng khuy\u1ebfn kh\u00edch m\u1ecdi ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1, b\u1edfi \u0111\u00e2y l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1p lu\u1eadt Vi\u1ec7t Nam c\u00f4ng nh\u1eadn.\r\n

\u0110\u00e1nh \u0111\u1ec1 d\u1ef1a tr\u00ean chu k\u1ef3 c\u00e1c b\u1ed9 s\u1ed1<\/span><\/h3>\r\n\u0110\u00e1nh \u0111\u1ec1 d\u1ef1a tr\u00ean chu k\u1ef3 c\u00e1c b\u1ed9 s\u1ed1 l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch \u0111\u00e1nh l\u00f4 \u0111\u1ec1 d\u1ef1a tr\u00ean th\u1ed1ng k\u00ea. Trong c\u00e1ch n\u00e0y, ng\u01b0\u1eddi ch\u01a1i s\u1ebd theo d\u00f5i chu k\u1ef3 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c b\u1ed9 s\u1ed1 trong c\u00e1c k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 trong m\u1ed9t th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh, v\u00e0 d\u1ef1a v\u00e0o \u0111\u00f3 \u0111\u1ec3 ch\u1ecdn c\u00e1c con s\u1ed1 m\u00e0 h\u1ecd mu\u1ed1n \u0111\u00e1nh. H\u1ecd c\u00f3 th\u1ec3 ch\u1ecdn c\u00e1c con s\u1ed1 m\u00e0 h\u1ecd cho l\u00e0 c\u00f3 xu\u1ea5t hi\u1ec7n \u0111\u1ec1u ho\u1eb7c c\u00f3 xu\u1ea5t hi\u1ec7n nhi\u1ec1u h\u01a1n trong chu k\u1ef3 \u0111\u00f3. Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng vi\u1ec7c d\u1ef1a v\u00e0o chu k\u1ef3 c\u00e1c b\u1ed9 s\u1ed1 trong qu\u00e1 tr\u00ecnh \u0111\u00e1nh l\u00f4 \u0111\u1ec1 kh\u00f4ng c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c n\u00e0o v\u00e0 ch\u1ec9 l\u00e0 m\u1ed9t trong nhi\u1ec1u y\u1ebfu t\u1ed1 m\u00e0 ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 xem x\u00e9t.\r\n\r\nB\u1ea1n c\u1ea7n theo d\u00f5i 2 y\u1ebfu t\u1ed1 khi \u0111\u00e1nh l\u00f4 \u0111\u1ec1 b\u1eb1ng c\u00e1ch n\u00e0y:\r\n