+ B\u01b0\u1edbc 3<\/strong>: Ph\u00e2n t\u00edch, th\u1ed1ng k\u00ea \u0111\u1ec3 t\u00ednh to\u00e1n c\u00f3 n\u00ean \u0111\u00e1nh l\u00f4 l\u1ed9n hay kh\u00f4ng<\/p>\nTheo b\u01b0\u1edbc tr\u00ean c\u00e1c b\u1ea1n \u0111\u00e3 t\u00ecm \u0111\u01b0\u1ee3c 2 l\u00f4 l\u00e0 23 v\u00e0 29. Th\u00f4ng th\u01b0\u1eddng \u0111\u1ed1i v\u1edbi l\u00f4 song th\u1ee7 r\u1ea5t hay v\u1ec1 l\u1ed9n. Ch\u00ednh v\u00ec th\u1ebf \u1edf b\u01b0\u1edbc 3 n\u00e0y ch\u00fang ta s\u1ebd xem n\u00ean \u0111\u00e1nh 23 hay 32 ho\u1eb7c 29 hay 92 kh\u00f4ng. C\u00e1c b\u1ea1n l\u00e0m nh\u01b0 sau:<\/p>\n
H\u00e3y l\u1ea5y s\u1ed1 th\u1ee9 2 c\u1ee7a gi\u1ea3i 2.1 l\u00e0 s\u1ed1 3 gh\u00e9p l\u1ea7n l\u01b0\u1ee3t v\u1edbi s\u1ed1 th\u1ee9 2 v\u00e0 s\u1ed1 th\u1ee9 3 c\u1ee7a gi\u1ea3i 3.1 l\u00e0 s\u1ed1 8 v\u00e0 0. L\u00fac n\u00e0y ta s\u1ebd \u0111\u01b0\u1ee3c 2 l\u00f4 38 v\u00e0 30.<\/p>\n
Ch\u00fang ta soi c\u1ea7u l\u00f4 38 nh\u01b0 l\u00f4 23 v\u00e0 xem l\u00f4 30 nh\u01b0 l\u00f4 29. N\u1ebfu nh\u01b0 l\u00f4 38 l\u1ed9n th\u00ec l\u1ed9n th\u00ec l\u00f4 23 c\u0169ng l\u1ed9n v\u00e0 t\u01b0\u01a1ng t\u1ef1 \u0111\u1ed1i v\u1edbi con l\u00f4 th\u1ee9 2<\/p>\n
\u0110\u1ec3 xem l\u00f4 38 v\u00e0 30 c\u00f3 l\u1ed9n kh\u00f4ng th\u00ec c\u1ea7n x\u00e9t quy t\u1eafc sau v\u1edbi c\u00e1c ch\u1eef s\u1ed1 trong l\u00f4 \u0111\u00f3.<\/h4>\n
– Xu\u1ea5t hi\u1ec7n s\u1ed1 l\u1ebb nh\u1ecf \u0111\u1ee9ng tr\u01b0\u1edbc s\u1ed1 l\u1ebb l\u1edbn.<\/p>\n
– Xu\u1ea5t hi\u1ec7n s\u1ed1 ch\u1eb5n l\u1edbn \u0111\u1ee9ng sau s\u1ed1 l\u1ebb nh\u1ecf<\/p>\n
– Xu\u1ea5t hi\u1ec7n s\u1ed1 ch\u1eb5n nh\u1ecf \u0111\u1ee9ng tr\u01b0\u1edbc s\u1ed1 ch\u1eb5n l\u1edbn.<\/p>\n
– Xu\u1ea5t hi\u1ec7n s\u1ed1 l\u1ebb l\u1edbn \u0111\u1ee9ng sau s\u1ed1 ch\u1eb5n nh\u1ecf<\/p>\n
Nh\u01b0 v\u1eady x\u00e9t theo quy lu\u1eadt n\u00e0y th\u00ec l\u00f4 38 c\u00f3 l\u00f4 l\u1ed9n n\u00ean suy ra ch\u00fang ta \u0111\u00e1nh l\u00f4 l\u1ed9n c\u1ee7a con 23 l\u00e0 32 v\u00e0 l\u00f4 30 kh\u00f4ng c\u00f3 l\u00f4 l\u1ed9n th\u00ec t\u00f9y theo s\u1edf thich b\u1ea1n c\u00f3 th\u1ec3 \u0111\u00e1nh ch\u00ednh con l\u00f4 29 ho\u1eb7c \u0111\u00e1nh l\u1ed9n l\u00e0 92. Nh\u01b0 v\u1eady ch\u00fang ta c\u00f3 hai c\u1eb7p l\u00f4 n\u00ean \u0111\u00e1nh l\u00e0 32 v\u00e0 29 ho\u1eb7c 32 v\u00e0 92.<\/p>\n
X\u00e9t trong b\u1ea3ng k\u1ebft qu\u1ea3 XSMB ng\u00e0y 26\/11 th\u00ec c\u1eb7p l\u00f4 32 v\u00e0 92 \u0111\u1ec1u v\u1ec1 n\u00ean d\u00f9 b\u1ea1n \u0111\u00e1nh theo c\u1eb7p n\u00e0o c\u0169ng chi\u1ebfn th\u1eafng.<\/p>\n
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Kinh nghi\u1ec7m b\u1eaft STL c\u00f9ng c\u00e1ch chia t\u1ef7 l\u1ec7 \u0111\u1eb7t c\u01b0\u1ee3c th\u00f4ng minh nh\u1ea5t<\/em><\/p>\nC\u00e1ch chia t\u1ef7 l\u1ec7 ti\u1ec1n c\u01b0\u1ee3c song th\u1ee7 l\u00f4 nu\u00f4i khung 2 ng\u00e0y ch\u00ednh x\u00e1c nh\u1ea5t<\/strong><\/h3>\nSoi c\u1ea7u song th\u1ee7 l\u00f4 khung hai ng\u00e0y l\u00e0 h\u00ecnh th\u1ee9c ch\u01a1i kh\u00e1 l\u00e0 nhi\u1ec1u \u01b0u th\u00edch b\u1edfi kh\u1ea3 n\u0103ng th\u1eafng c\u01b0\u1ee3c \u0103n l\u00f4 cao, d\u1ec5 qu\u1ea3n l\u00fd v\u1ed1n h\u01a1n. Theo th\u1ed1ng k\u00ea STL mi\u1ec1n B\u1eafc co th\u1ea5y cao th\u1ee7 th\u01b0\u1eddng xuy\u00ean \u0111\u00e1nh l\u00f4 ST theo t\u1ef7 l\u1ec7 c\u01b0\u1ee3c 1:2 ho\u1eb7c 1:3 s\u1ebd, chi ti\u1ebft nh\u01b0 sau:<\/p>\n
– Chia ti\u1ec1n v\u1ed1n theo t\u1ef7 l\u1ec7 1:2: Ng\u00e0y th\u1ee9 nh\u1ea5t b\u1ea1n c\u01b0\u1ee3c m\u1ed7i con l\u00f4 100 \u0111i\u1ec3m v\u00e0 sang ng\u00e0y th\u1ee9 2 b\u1ea1n t\u0103ng ti\u1ec1n c\u01b0\u1ee3c l\u00ean m\u1ed7i con 200 \u0111i\u1ec3m. Nh\u01b0 v\u1eady ch\u1ec9 c\u1ea7n 1 trong 2 l\u00f4 v\u1ec1 trong v\u00f2ng 2 ng\u00e0y b\u1ea1n \u0111\u00e3 c\u00f3 l\u00e3i.<\/p>\n
– Chia ti\u1ec1n v\u1ed1n theo t\u1ef7 l\u1ec7 1:3: Ng\u00e0y \u0111\u1ea7u ti\u00ean b\u1ea1n c\u01b0\u1ee3c ti\u1ec1n m\u1ed7i con 100 \u0111i\u1ec3m. Ng\u00e0y th\u1ee9 2, m\u1ed7i con b\u1ea1n \u0111\u1eb7t c\u01b0\u1ee3c 300 \u0111i\u1ec3m. \u0110\u00e1nh theo t\u1ec9 l\u1ec7 n\u00e0y th\u00ec s\u1ed1 ti\u1ec1n th\u1eafng gi\u1ea3i s\u1ebd r\u1ea5t l\u01a1n nh\u01b0ng c\u0169ng ch\u1ee9a ph\u1ea7n m\u1ea1o hi\u1ec3m kh\u00f4ng nh\u1ecf. Do \u0111\u00f3 n\u1ebfu n\u1eafm ch\u1eafc ph\u1ea7n th\u1eafng trong tay th\u00ec b\u1ea1n m\u1edbi n\u00ean s\u1eed d\u1ee5ng ph\u01b0\u01a1ng \u00e1n n\u00e0y.<\/p>\n
C\u00e1ch chia t\u1ef7 l\u1ec7 ti\u1ec1n c\u01b0\u1ee3c song th\u1ee7 l\u00f4 nu\u00f4i khung 3 ng\u00e0y hi\u1ec7u qu\u1ea3<\/strong><\/h3>\n\u1ede c\u00e1ch soi c\u1ea7u l\u00f4 nu\u00f4i song th\u1ee7 khung 3 ng\u00e0y rong b\u1ea1ch kim MB c\u0169ng t\u01b0\u01a1ng t\u1ef1 c\u00e1ch nu\u00f4i 2 ng\u00e0y nh\u01b0ng so v\u1edbi nu\u00f4i 2 ng\u00e0y th\u00ec nu\u00f4i theo khung 3 ng\u00e0y mang t\u1edbi c\u01a1 h\u1ed9i chi\u1ebfn th\u1eafng cao h\u01a1n. Nh\u01b0ng \u0111i k\u00e8m v\u1edbi \u0111\u00f3 c\u0169ng y\u00eau c\u1ea7u ng\u01b0\u1eddi ch\u01a1i ph\u1ea3i c\u00f3 s\u1ef1 t\u00ednh to\u00e1n t\u1ec9 m\u1ec9 \u0111\u1ec3 n\u1eafm ch\u1eafc ch\u1eafn con l\u00f4 th\u1eadt t\u1ed1t. T\u1ef7 l\u1ec7 ti\u1ec1n v\u1ed1n th\u00edch h\u1ee3p nh\u1ea5t v\u1edbi c\u00e1ch \u0111\u00e1nh n\u00e0y l\u00e0 1:3:6 ho\u1eb7c l\u00e0 1:3:8. Tu\u1ef3 thu\u1ed9c v\u00e0o ng\u00e2n s\u00e1ch c\u0169ng nh\u01b0 nhu c\u1ea7u c\u1ee7a m\u1ed7i ng\u01b0\u1eddi ghi m\u00e0 c\u00f3 c\u00e1ch v\u00e0o ti\u1ec1n ph\u00f9 h\u1ee3p.<\/p>\n
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M\u1ed9t s\u1ed1 l\u01b0u \u00fd quan tr\u1ecdng khi \u0111\u00e1nh song th\u1ee7 l\u00f4<\/strong><\/h3>\n– X\u00e1c \u0111\u1ecbnh th\u1eddi gian nu\u00f4i l\u00f4 h\u1ee3p l\u00fd: Th\u1eddi gian ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng \u0111\u1ec3 nu\u00f4i l\u00f4 khung cho STL l\u00e0 t\u1eeb 2 \u0111\u1ebfn 4 ng\u00e0y, m\u1ed1c 2 v\u00e0 3 ng\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn. Trong kho\u1ea3ng th\u1eddi gian 2 t\u1edbi 4 ng\u00e0y, ng\u01b0\u1eddi ch\u01a1i c\u1ea7n theo d\u00f5i s\u1ed1 l\u00f4 v\u1ec1 li\u00ean t\u1ee5c m\u1ed7i ng\u00e0y. \u0110\u00e2y l\u00e0 c\u01a1 s\u1ecf x\u00e1c \u0111\u1ecbnh t\u00ednh ch\u1eafc ch\u1eafn c\u1ee7a s\u1ed1 l\u00f4. T\u1eeb \u0111\u00f3, lo\u1ea1i b\u1ecf nh\u1eefng kh\u1ea3 n\u0103ng c\u1ee7a c\u00e1c s\u1ed1 sai.<\/p>\n
Theo kinh nghi\u1ec7m cho bi\u1ebft nu\u00f4i l\u00f4 qu\u00e1 4 ng\u00e0y, t\u1ef7 l\u1ec7 th\u1eafng s\u1ebd kh\u00f4ng c\u00f2n cao. Tuy nhi\u00ean, trong m\u1ed9t v\u00e0i tr\u01b0\u1eddng h\u1ee3p soi c\u1ea7u nu\u00f4i l\u00f4 5 ng\u00e0y ch\u00ednh x\u00e1c v\u00e0 chu\u1ea9n b\u1ecb s\u1ed1 l\u00f4 cho 5 ng\u00e0y c\u1ea9n th\u1eadn, b\u1ea1n v\u1eabn c\u00f3 c\u01a1 h\u1ed9i th\u1eafng.<\/p>\n
– T\u1ef7 l\u1ec7 ti\u1ec1n \u0111\u1eb7t c\u01b0\u1ee3c: Nhi\u1ec1u cao th\u1ee7 l\u00f4 \u0111\u1ec1 chia s\u1ebb b\u00ed quy\u1ebft khi b\u1eaft l\u00f4 song th\u1ee7 ch\u00ednh l\u00e0 n\u00ean c\u01b0\u1ee3c l\u1edbn. Ch\u00ednh b\u1edfi t\u1ef7 l\u1ec7 th\u1eafng c\u01b0\u1ee3c c\u1ee7a c\u00e1ch \u0111\u00e1nh n\u00e0y cao n\u00ean \u0111\u1ea7u t\u01b0 v\u1ed1n l\u1edbn th\u00ec b\u1ea1n s\u1ebd thu l\u00e3i nhi\u1ec1u. T\u1ef7 l\u1ec7 c\u01b0\u1ee3c song th\u1ee7 l\u00f4 c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 80% c\u00f2n 20% n\u00ean gi\u1eef l\u1ea1i c\u00e1c l\u1ea7n c\u01b0\u1ee3c sau. \u0110i\u1ec1u n\u00e0y v\u1eeba \u0111\u1ea3m b\u1ea3o an to\u00e0n. V\u1eeba quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u qu\u1ea3 ch\u01a1i l\u00f4 c\u1ee7a b\u1ea1n.<\/p>\n
Nh\u01b0 v\u1eady tr\u00ean \u0111\u00e2y l\u00e0 n\u1ed9i dung gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n lo\u1ea1i l\u00f4 song th\u1ee7 c\u0169ng nh\u01b0 c\u00e1c \u0111\u00e1nh an to\u00e0n, hi\u1ec7u qu\u1ea3 nh\u1ea5t. Ch\u00fac c\u00e1c b\u1ea1n may m\u1eafn!<\/p>\n
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a\/e li\u00ean h\u1ec7 b\u1eb1ng khi n\u1ea1p th\u1ebb b\u1ecb l\u1ed7i: chat c\u00f9ng chuy\u00ean gia soi c\u1ea7u<\/span><\/span><\/strong><\/p>\n<\/h3>\n