{"id":18530,"date":"2024-03-05T18:03:23","date_gmt":"2024-03-05T18:03:23","guid":{"rendered":"https:\/\/soicau3083.minhngocxoso.com\/?p=18530"},"modified":"2024-03-05T18:03:23","modified_gmt":"2024-03-05T18:03:23","slug":"nuoi-lo-khung-3-ngay-la-gi-phuong-phap-nuoi-lo-khung-3-ngay-mb","status":"publish","type":"post","link":"https:\/\/soicaumiennamvip.com\/nuoi-lo-khung-3-ngay-la-gi-phuong-phap-nuoi-lo-khung-3-ngay-mb\/","title":{"rendered":"Nu\u00f4i l\u00f4 khung 3 ng\u00e0y l\u00e0 g\u00ec?\u00a0Ph\u01b0\u01a1ng ph\u00e1p nu\u00f4i l\u00f4 khung 3 ng\u00e0y mb"},"content":{"rendered":"
\u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1 l\u00e2u n\u0103m h\u1eb3n kh\u00f4ng c\u00f2n xa l\u1ea1 v\u1edbi c\u00e1ch nu\u00f4i l\u00f4 khung 3 ng\u00e0y. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u nhi\u1ec1u cao th\u1ee7 \u00e1p d\u1ee5ng. B\u1edfi t\u00ednh hi\u1ec7u qu\u1ea3 l\u1eabn v\u1ed1n b\u1ecf ra kh\u00f4ng qu\u00e1 nhi\u1ec1u. Nh\u1eefng ng\u01b0\u1eddi m\u1edbi tham gia n\u00ean tham kh\u1ea3o c\u00e1c th\u00f4ng tin chia s\u1ebb d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 n\u1eafm r\u00f5 h\u01a1n v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u n\u00e0y.<\/p>\n
Ph\u01b0\u01a1ng ph\u00e1p nu\u00f4i l\u00f4 khung 3 ng\u00e0y th\u01b0\u1eddng s\u1eed d\u1ee5ng kh\u00e1 ph\u1ed5 bi\u1ebfn t\u1ea1i mi\u1ec1n B\u1eafc. Ng\u01b0\u1eddi ch\u01a1i s\u1ebd ch\u1ecdn cho m\u00ecnh m\u1ed9t b\u1ed9 s\u1ed1 g\u1ed3m m\u1ed9t ho\u1eb7c nhi\u1ec1u s\u1ed1 lo hai s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh trong ba ng\u00e0y li\u00ean ti\u1ebfp. Tr\u00ean th\u1ef1c t\u1ebf, c\u00f3 nh\u1eefng c\u1ea7u cho l\u00f4 th\u1ee7 nu\u00f4i t\u1edbi khi tr\u00fang th\u00ec d\u1eebng (t\u1ed1i \u0111a 3 ng\u00e0y). M\u1eb7t kh\u00e1c, c\u00f3 c\u1ea7u ch\u01a1i \u0111\u1ee7 ba ng\u00e0y d\u00f9 li\u00ean ti\u1ebfp tr\u00fang.<\/p>\n
Trong th\u1eddi gian c\u01b0\u1ee3c, ngu\u1ed3n v\u1ed1n c\u1ea7n \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 r\u00f5, \u1ed5n \u0111\u1ecbnh. B\u1edfi nu\u00f4i trong ba ng\u00e0y kh\u00e1 d\u00e0i, r\u1ee7i ro x\u1ea3y ra l\u00e0 \u0111i\u1ec1u kh\u00f4ng qu\u00e1 b\u1ea5t ng\u1edd trong qu\u00e1 tr\u00ecnh c\u01b0\u1ee3c l\u00f4 \u0111\u1ec1. Do \u0111\u00f3, l\u00f4 th\u1ee7 n\u00ean c\u00f3 k\u1ebf ho\u1ea1ch c\u1ee5 th\u1ec3 \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m ngu\u1ed3n v\u1ed1n. B\u1ea1n n\u00ean ki\u00ean tr\u00ec, kh\u00f4ng d\u1eebng ngang. Y\u1ebfu t\u1ed1 n\u00e0y s\u1ebd \u1ea3nh h\u01b0\u1edfng kh\u00e1 nhi\u1ec1u t\u1edbi chuy\u1ec7n thua th\u1eafng.<\/p>\n
C\u00f3 m\u1ed9t v\u00e0i tr\u01b0\u1eddng h\u1ee3p sang t\u1edbi ng\u00e0y th\u1ee9 5 l\u00f4 m\u1edbi v\u1ec1. \u0110\u00e2y ch\u00ednh l\u00e0 chi\u1ebfn th\u1eafng b\u1ea5t ng\u1edd d\u00e0nh cho ng\u01b0\u1eddi ch\u01a1i. Ch\u00ednh v\u00ec v\u1eady, lu\u00f4n ghi nh\u1edb vi\u1ec7c soi c\u1ea7u l\u00f4 th\u1eadt k\u1ef9 tr\u01b0\u1edbc khi xu\u1ed1ng ti\u1ec1n. Ngo\u00e0i ra, ng\u01b0\u1eddi ch\u01a1i c\u0169ng c\u1ea7n ch\u00fa \u00fd t\u1edbi vi\u1ec7c ch\u1ecdn nh\u00e0 c\u00e1i \u0111\u1ec3 v\u1eeba an to\u00e0n, v\u1eeba thu l\u1ea1i l\u1ee3i nhu\u1eadn cao.<\/p>\n
D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i l\u00f4 th\u01b0\u1eddng nu\u00f4i trong ba ng\u00e0y b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o:<\/p>\n
<\/p>\n
V\u1ec1 c\u00e1ch ch\u01a1i, b\u1ea1n s\u1ebd l\u1ef1a ra b\u1ed9 s\u1ed1 ch\u1ee9a hai con l\u00f4 hai s\u1ed1 d\u1ea1ng BA, AB \u0111\u1ec3 ghi \u0111i\u1ec3m trong ba ng\u00e0y li\u00ean ti\u1ebfp kh\u00f4ng ng\u1eebng. D\u1ea1ng n\u00e0y c\u00f3 bi\u1ebfn th\u1ec3 l\u00e0 k\u00e9p l\u1ec7ch, k\u00e9p b\u1eb1ng ho\u1eb7c c\u1eb7p \u0111\u00f4i ng\u1eabu nhi\u00ean \u0111\u00e1nh t\u01b0\u01a1ng t\u1ef1 song th\u1ee7 l\u00f4 khung ba ng\u00e0y. B\u1edfi \u0111\u1ec1u l\u1ea5y hai s\u1ed1 c\u1ed1 \u0111\u1ecbnh, c\u00f9ng ti\u1ec1n v\u1ed1n, t\u01b0\u01a1ng t\u1ef1 nhau v\u1ec1 c\u00e1ch ghi s\u1ed1 \u0111i\u1ec3m. Trong tr\u01b0\u1eddng h\u1ee3p t\u00ednh theo ghi c\u1eb7p, c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng v\u1edbi t\u1ef7 l\u1ec7 1:2:3. M\u1eb7t kh\u00e1c, ghi t\u1eebng con r\u1eddi, ch\u1ecdn c\u00e1ch ghi \u0111i\u1ec3m 1:4:6 ho\u1eb7c 1:3:10.<\/p>\n
Gi\u1ea3 d\u1ee5, l\u00f4 th\u1ee7 l\u1ef1a c\u1eb7p song th\u1ee7 l\u00e0 78 \u2013 87. Ng\u00e0y \u0111\u1ea7u b\u1ecf ra 230.000 VN\u0110 cho 10 \u0111i\u1ec3m. Ng\u00e0y th\u1ee9 hai b\u1ecf 460.000 VN\u0110 cho 20 \u0111i\u1ec3m, ng\u00e0y th\u1ee9 ba 690.000 VN\u0110 cho 30 \u0111i\u1ec3m. B\u1ea1n tr\u00fang ng\u00e0y n\u00e0o \u0103n l\u00e3i theo ng\u00e0y \u0111\u00f3.<\/p>\n
L\u00f4 k\u00e9p \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o lo\u1ea1i l\u00f4 \u0111\u1eb7t bi\u1ec7t. Nguy\u00ean nh\u00e2n l\u00e0 v\u00ec k\u00e9p n\u00ean kh\u00f4ng lo l\u1ed9n. Tuy nhi\u00ean, ng\u01b0\u1eddi ch\u01a1i s\u1ebd r\u1ea5t kh\u00f3 \u0111\u1ec3 b\u1eaft \u0111\u01b0\u1ee3c chu k\u1ef3 c\u1ee7a ch\u00fang. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch t\u00ednh to\u00e1n vi\u1ec7c b\u1eaft l\u00f4 k\u00e9o \u0111\u1ec3 h\u1ea1n ch\u1ebf r\u1ee7i ro:<\/p>\n
C\u00e1ch 1: Ng\u01b0\u1eddi ch\u01a1i ch\u00fa \u00fd c\u00e1c l\u00f4 c\u00e2m trong ng\u00e0y. Ti\u1ebfp theo, theo d\u00f5i con s\u1ed1 n\u00e0y trong kho\u1ea3ng 3 \u2013 5 ng\u00e0y. Trong tr\u01b0\u1eddng h\u1ee3p l\u00f4 k\u00e9p \u0111\u1ea7u c\u00e2m n\u00e0y kh\u00f4ng ra, h\u00e3y ch\u1edbp ngay c\u01a1 h\u1ed9i.<\/p>\n
C\u00e1ch 2: Theo d\u00f5i nh\u1eefng con l\u00f4 n\u00e0o c\u00f3 \u0111u\u00f4i c\u00e2m. Ti\u1ebfp t\u1ee5c ch\u00fa \u00fd nh\u1eefng ng\u00e0y ti\u1ebfp theo xem l\u00f4 k\u00e9p c\u1ee7a \u0111u\u00f4i n\u00e0y c\u00f3 ra kh\u00f4ng. Ng\u01b0\u1ee3c l\u1ea1i, kh\u00f4ng xu\u1ea5t hi\u1ec7n \u0111\u1ea7u l\u00f4 c\u00e2m trong m\u1ed9t ng\u00e0y, anh em c\u1ea7n ch\u1edbp c\u01a1 h\u1ed9i, nu\u00f4i ch\u00fang trong ba ng\u00e0y.<\/p>\n
L\u00f4 th\u1ee7 c\u1ea7n l\u01b0u \u00fd, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft l\u00f4 qua \u0111u\u00f4i l\u00f4 c\u00e2m. Ng\u01b0\u1eddi ch\u01a1i c\u0169ng theo d\u00f5i t\u1eeb 3 \u2013 5 ng\u00e0y. N\u1ebfu con l\u00f4 k\u00e9p \u0111u\u00f4i \u0111\u00f3 kh\u00f4ng ra, c\u00f2n v\u1ec1 \u0111\u1ea7u l\u00f4 c\u00e2m ch\u00ednh n\u00f3, l\u00f4 th\u1ee7 h\u00f4m sau nu\u00f4i l\u00f4 k\u00e9p trong 1 \u2013 3 ng\u00e0y.<\/p>\n
B\u1ea1n s\u1ebd ch\u1ecdn ra m\u1ed9t con b\u1ea1ch th\u1ee7 (\u0111\u1ed9c th\u1ee7), t\u1ee9c l\u00e0 ch\u1ec9 c\u00f3 m\u1ed9t con l\u00f4 d\u1ea1ng AB hai s\u1ed1. Ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 ghi \u0111i\u1ec3m t\u1ea1i \u0111\u1ea1i l\u00fd ho\u1eb7c nh\u00e0 c\u00e1i v\u1edbi \u0111i\u1ec3m s\u1ed1 t\u00f9y mong mu\u1ed1n. N\u1ebfu bi\u1ebft c\u00e1ch \u0111\u1ea7u t\u01b0, t\u00ednh to\u00e1n h\u1ee3p l\u00fd, l\u00f4 th\u1ee7 s\u1ebd tr\u00e1nh \u0111\u01b0\u1ee3c t\u00ecnh tr\u1ea1ng l\u1ed7 d\u00f9 nh\u1eefng ng\u00e0y sau tr\u00fang.<\/p>\n
V\u1edbi con b\u1ea1ch th\u1ee7 nu\u00f4i trong v\u00f2ng ba ng\u00e0y, khuy\u1ebfn kh\u00edch b\u1ea1n ch\u1ecdn ra m\u1ed9t trong hai d\u1ea1ng v\u00e0o ti\u1ec1n l\u00e0 1:3:10 ho\u1eb7c 1:2:3. Ch\u1ec9 c\u1ea7n ch\u00fa \u00fd t\u1ef7 l\u1ec7 n\u00e0y so v\u1edbi ng\u00e0y h\u00f4m sau \u0111\u1ea1t hi\u1ec7u su\u1ea5t g\u1ea5p t\u1ed1i thi\u1ec3u 1.5 l\u1ea7n.<\/p>\n
<\/p>\n
\u0110\u1ed1i v\u1edbi c\u00e1c tr\u00f2 may r\u1ee7i nh\u01b0 l\u00f4 \u0111\u1ec1, vi\u1ec7c qu\u1ea3n l\u00fd ti\u1ec1n kh\u00e1 quan tr\u1ecdng. N\u1ebfu kh\u00f4ng th\u1ec3 v\u00e0o ti\u1ec1n \u0111\u00fang c\u00e1ch, ng\u01b0\u1eddi ch\u01a1i r\u1ea5t d\u1ec5 l\u1ed7. Nhi\u1ec1u v\u00e1n th\u1eafng nh\u01b0ng m\u1ed9t v\u00e1n thua v\u1eabn kh\u00f4ng gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c g\u00ec trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y. \u0110\u1ed1i v\u1edbi nh\u1eefng con l\u00f4 nu\u00f4i khung ba ng\u00e0y, c\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 v\u00e0o ti\u1ec1n kh\u00e1c nhau.<\/p>\n
T\u00f9y theo kh\u1ea3 n\u0103ng t\u00e0i ch\u00ednh v\u00e0 mong mu\u1ed1n c\u1ee7a m\u1ed7i ng\u01b0\u1eddi s\u1ebd ch\u1ecdn c\u00e1c m\u1ee9c t\u1ef7 l\u1ec7 kh\u00e1c nhau. C\u1ee5 th\u1ec3 t\u1ef7 l\u1ec7 v\u00e0o ti\u1ec1n nh\u01b0 sau:<\/p>\n
C\u00e1ch v\u00e0o ti\u1ec1n n\u00e0y th\u01b0\u1eddng ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng con l\u00f4 d\u00e0n ho\u1eb7c song th\u1ee7 l\u00f4 nu\u00f4i trong ba ng\u00e0y. L\u00f4 truy\u1ec1n th\u1ed1ng c\u00f3 t\u1ef7 l\u1ec7 \u0103n 3.5 n\u00ean ch\u1ec9 c\u1ea7n \u0103n m\u1ed9t \u0111i\u1ec3m s\u1ebd \u0111\u1ee7 \u0111\u1ec3 nu\u00f4i 3,5 con. C\u00e1ch t\u00ednh tr\u00ean c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n c\u1ea7m h\u00f2a \u0111\u1ed1i v\u1edbi b\u1ed9 s\u1ed1 t\u1ed1i \u0111a l\u00e0 4 con. S\u1ed1 \u0111i\u1ec3m m\u1ed7i con nh\u01b0 nhau, t\u00ednh l\u00e0 \u0111\u00e1nh \u0111i\u1ec3m ri\u00eang.<\/p>\n
Sau \u0111\u00e2y l\u00e0 t\u1ef7 l\u1ec7 v\u00e0o ti\u1ec1n theo c\u00e1ch n\u00e0y. Quy \u01b0\u1edbc n ch\u00ednh l\u00e0 s\u1ed1 \u0111i\u1ec3m \u0111\u00e1nh.<\/p>\n
Ng\u00e0y 1: Ghi n \u0111i\u1ec3m m\u1ed7i con. Ti\u1ec1n ghi \u0111i\u1ec3m m\u1ea5t 2n*23.000 VN\u0110.<\/p>\n
Tr\u00fang 1 con: Th\u1eafng 34n (n*80 \u2013 2n*23).<\/p>\n
Tr\u00fang 2 con: Th\u1eafng 114n (2n*80 \u2013 2n*23).<\/p>\n
Tr\u01b0\u1ee3t thua: 2n*23.<\/p>\n
Con n\u00e0o v\u1ec1 h\u01a1n m\u1ed9t nh\u00e1y, ti\u1ec1n l\u00e3i c\u1ed9ng th\u00eam l\u00e0 (x-1)n80. X ch\u00ednh l\u00e0 s\u1ed1 nh\u00e1y v\u1ec1.<\/p>\n
Ng\u00e0y 2: Xem nh\u01b0 ng\u00e0y m\u1ed9t tr\u01b0\u1ee3t h\u1ebft, m\u1ed7i con ghi v\u1edbi s\u1ed1 \u0111i\u1ec3m 3n. Ti\u1ec1n ghi \u0111i\u1ec3m l\u00e0 6n*23k (2*3n*23k).<\/p>\n
Tr\u00fang 1 con: Th\u1eafng 56n (3n*80 \u2013 (6n*23 + 2n*23)).<\/p>\n
Tr\u00fang 2 con: Th\u1eafng 296n (2*3n80 \u2013 (6n*23 + 2n*23)).<\/p>\n
Tr\u01b0\u1ee3t thua: 6n*23 + 2n*23 = 8n*23<\/p>\n
Ng\u00e0y 3: Xem nh\u01b0 ng\u00e0y hai tr\u01b0\u1ee3t h\u1ebft, m\u1ed7i con ghi v\u1edbi s\u1ed1 \u0111i\u1ec3m 10n. Ti\u1ec1n ghi \u0111i\u1ec3m l\u00e0 20n*23 (2*10n*23).<\/p>\n
Tr\u00fang 1 con: Th\u1eafng 156n (10n*80 \u2013 (6n*23+ 2n*23 + 20n*23)).<\/p>\n
Tr\u00fang 2 con: Th\u1eafng 956n (2*10n*80 \u2013 (6n*23+ 2n*23 + 20n*23)).<\/p>\n
T\u1ed5ng qu\u00e1t c\u1ee7a c\u00e1ch v\u00e0o ti\u1ec1n n\u00e0y nh\u01b0 sau:<\/p>\n
<\/p>\n
Ng\u00e0y 1: n \u0111i\u1ec3m v\u1edbi ti\u1ec1n m\u1ea5t n*23k, ti\u1ec1n \u0111\u01b0\u1ee3c n\u1ebfu tr\u00fang n*80k v\u00e0 ti\u1ec1n m\u1ea5t n\u1ebfu tr\u01b0\u1ee3t n*23k.<\/p>\n
Ng\u00e0y 2: 2n \u0111i\u1ec3m v\u1edbi ti\u1ec1n m\u1ea5t 2n*23k, ti\u1ec1n \u0111\u01b0\u1ee3c n\u1ebfu tr\u00fang 2n*80 \u2013 (3n*23)= 91n v\u00e0 ti\u1ec1n m\u1ea5t n\u1ebfu tr\u01b0\u1ee3t 2n*23k + n*23k = 3n*23k.<\/p>\n
Ng\u00e0y 3: 3n \u0111i\u1ec3m v\u1edbi ti\u1ec1n m\u1ea5t 3n*23k, ti\u1ec1n \u0111\u01b0\u1ee3c n\u1ebfu tr\u00fang 3n*80 \u2013 (2n*23+n*23+3n*23)= 102n v\u00e0 ti\u1ec1n m\u1ea5t n\u1ebfu tr\u01b0\u1ee3t l\u00e0 h\u1ebft c\u1ea7u.<\/p>\n
V\u1edbi c\u00e1ch t\u00ednh n\u00e0y xem nh\u01b0 ng\u00e0y hai tr\u00fang, x\u1ea5u nh\u1ea5t ng\u00e0y m\u1ed9t tr\u01b0\u1ee3t. Ng\u00e0y 3 tr\u00fang, x\u1ea5u nh\u1ea5t ng\u00e0y hai v\u00e0 m\u1ed9t \u0111\u1ec1u tr\u01b0\u1ee3t. N\u1ebfu \u00e1p d\u1ee5ng ch\u01a1i l\u00f4 \u0111\u1ec1 tr\u1ef1c tuy\u1ebfn, ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 n\u00e2ng t\u1ef7 l\u1ec7 tr\u00fang l\u00ean cao h\u01a1n 1 \u0111i\u1ec3m \u0103n ti\u1ec1n m\u1eb7t 99.000 VN\u0110.<\/p>\n
Kh\u00f4ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf hai c\u00e1ch v\u00e0o ti\u1ec1n ph\u00eda tr\u00ean, ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng th\u00eam hai t\u1ef7 l\u1ec7 kh\u00e1c \u0111\u00f3 l\u00e0 2:5:15 v\u00e0 1:3:6. B\u1ea1n th\u1ef1c hi\u1ec7n v\u00e0o ti\u1ec1n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ph\u00eda tr\u00ean. Thua \u1edf v\u00e1n n\u00e0o, v\u00e1n sau n\u00e2ng m\u1ee9c ti\u1ebfp theo, th\u1eafng quay l\u1ea1i m\u1ee9c \u0111\u1ea7u. Ng\u01b0\u1eddi ta th\u01b0\u1eddng \u00e1p d\u1ee5ng t\u1ef7 l\u1ec7 2:5:15 v\u00e0 1:3:6 \u0111\u1ec3 v\u00e0o ti\u1ec1n khi nu\u00f4i c\u1eb7p l\u00f4 trong ba ng\u00e0y kh\u00e1 hi\u1ec7u qu\u1ea3.<\/p>\n
N\u1ebfu l\u1ef1a ch\u1ecdn nu\u00f4i l\u00f4 khung 3 ng\u00e0y, b\u1ea1n c\u1ea7n ch\u00fa \u00fd nh\u1eefng chia s\u1ebb ph\u00eda tr\u00ean. \u0110\u1eb7c bi\u1ec7t l\u00e0 c\u00e1ch v\u00e0o ti\u1ec1n sao cho ph\u00f9 h\u1ee3p nh\u1ea5t. Khi \u0111\u00e3 c\u00f3 \u0111\u01b0\u1ee3c c\u00e1ch \u0111\u1ec3 v\u00e0o ti\u1ec1n, b\u1ea1n s\u1ebd d\u1ec5 d\u00e0ng \u00e1ng ch\u1eebng \u0111\u01b0\u1ee3c ngu\u1ed3n v\u1ed1n c\u1ee7a b\u1ea3n th\u00e2n m\u00ecnh. T\u1eeb \u0111\u00f3, t\u00ecm ra b\u01b0\u1edbc \u0111i ph\u00f9 h\u1ee3p h\u01a1n. H\u00e3y nhanh ch\u00f3ng \u0111\u0103ng k\u00fd t\u00e0i kho\u1ea3n \u0111\u1ec3 thu v\u1ec1 nhi\u1ec1u ph\u1ea7n th\u01b0\u1edfng h\u1ea5p d\u1eabn t\u1eeb tr\u00f2 l\u00f4 \u0111\u1ec1.<\/p>\n