Tr\u01b0\u1edbc khi \u0111\u1ebfn v\u1edbi <\/span><\/i>L\u00f4 tr\u01b0\u1ee3t l\u00e0 g\u00ec \u2013 c\u00e1ch \u0111\u00e1nh l\u00f4 tr\u01b0\u1ee3t<\/i><\/b> sao cho hi\u1ec7u qu\u1ea3 ch\u00fang ta s\u1ebd b\u1eaft \u0111\u1ea7u v\u1edbi \u201c L\u00f4 tr\u01b0\u1ee3t l\u00e0 g\u00ec \u201d Hi\u1ec7n nay l\u00f4 tr\u01b0\u1ee3t \u0111ang \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nhi\u1ec1u do \u0111\u00e1nh l\u00f4 tr\u01b0\u1ee3t c\u00f3 th\u1ec3 gi\u00fap ng\u01b0\u1eddi ch\u01a1i \u0111\u1ed5i gi\u00f3. H\u1ecd c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o v\u1eadn \u0111en c\u1ee7a m\u00ecnh \u0111\u1ec3 ki\u1ebfm ra ti\u1ec1n thay v\u00ec m\u1ea5t ti\u1ec1n nh\u01b0 tr\u01b0\u1edbc kia. Nh\u01b0 v\u1eady l\u00f4 tr\u01b0\u1ee3t \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 n\u1ebfu b\u1ea1n \u0111\u00e1nh m\u1ed9t con l\u00f4. <\/span><\/i><\/p>\n Thay v\u00ec c\u00f3 trong k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 th\u00ec n\u1ebfu con s\u1ed1 \u0111\u00f3 kh\u00f4ng c\u00f3 trong k\u1ebft qu\u1ea3 s\u1ed5 s\u1ed1 th\u00ec b\u1ea1n s\u1ebd l\u00e0 ng\u01b0\u1eddi chi\u1ebfn th\u1eafng. Hi\u1ec7n nay c\u00f3 r\u1ea5t nhi\u1ec1u h\u00ecnh th\u1ee9c \u0111\u00e1nh l\u00f4 tr\u01b0\u1ee3t \u0111ang \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng. M\u1ed7i lo\u1ea1i h\u00ecnh l\u00f4 tr\u01b0\u1ee3t s\u1ebd c\u00f3 m\u1ed9t lo\u1ea1i gi\u00e1 kh\u00e1c nhau t\u00f9y v\u00e0o \u0111\u1ed9 kh\u00f3 c\u1ee7a n\u00f3.<\/span><\/i><\/p>\n L\u00f4 tr\u01b0\u1ee3t l\u00e0 h\u00ecnh th\u1ee9c kh\u00e1c v\u1edbi l\u00f4 th\u01b0\u1eddng. Khi \u00e1p dung l\u00f4 tr\u01b0\u1ee3t th\u01b0\u1eddng th\u00ec ng\u01b0\u1eddi ch\u01a1i \u00e1p d\u1ee5ng \u0111\u00e1nh xi\u00ean nhi\u1ec1u con kh\u00e1c nhau nh\u01b0 \u0111\u00e1nh xi\u00ean 4 con, 6 con ,8 con , 10 con. V\u00e0 c\u00e1ch \u0111\u00e1nh n\u00e0y c\u00f3 t\u1ef7 l\u1ec7 tr\u00fang cao, tr\u00e1nh thi\u1ec7t h\u1ea1i cho ng\u01b0\u1eddi ch\u01a1i.<\/span><\/p>\n C\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch b\u1eaft l\u00f4 tr\u01b0\u1ee3t<\/strong> hi\u1ec7u qu\u1ea3 tuy nhi\u00ean m\u1ed9t trong nh\u1eefng c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t l\u00e0 t\u00ednh x\u00e1c xu\u1ea5t. C\u1ee5 th\u1ec3 l\u00e0 m\u1ed7i m\u1ed9t d\u00e3y k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 mi\u1ec1n b\u1eafc s\u1ebd c\u00f3 27 con s\u1ed1. Tuy nhi\u00ean kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 27 con s\u1ed1 \u0111\u00f3 \u0111\u1ec1u l\u00e0 c\u00e1ch s\u1ed1 kh\u00e1c nhau. Theo kh\u1ea3o s\u00e1t c\u1ee7a ch\u00fang t\u00f4i. Trung b\u00ecnh m\u1ed7i ng\u00e0y s\u1ebd c\u00f3 kho\u1ea3ng 20-21 con s\u1ed1 kh\u00e1c nhau. V\u1eady t\u1ef7 l\u1ec7 c\u1ee7a c\u00e1c con s\u1ed1 kh\u00f4ng c\u00f3 trong d\u00e3y k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 \u0111\u00f3 s\u1ebd v\u00e0o kho\u1ea3ng 79-80%. N\u1ebfu \u0111\u00e1nh l\u00f4 tr\u01b0\u1ee3t 4 con th\u00ec ta s\u1ebd l\u1ea5y 0.8<\/span>\u00d74\u00d7100<\/span> = 41%. <\/span><\/p>\n Con s\u1ed1 41% \u0111\u00f3 c\u00f3 v\u1ebb v\u1eabn c\u00f2n kh\u00e1 b\u1ea5t l\u1ee3i v\u1edbi ch\u00fang ta v\u00ec d\u01b0\u1edbi h\u00ecnh th\u1ee9c l\u00f4 tr\u01b0\u1ee3t 4 con 1 ch\u1ec9 \u0103n \u0111\u01b0\u1ee3c \u0111\u00f4i. C\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 bi\u1ebfn 41% \u0111\u00f3 th\u00e0nh 80 ho\u1eb7c th\u1eadm ch\u00ed 90%. Theo nghi\u00ean c\u1ee9u c\u1ee7a ch\u00fang t\u00f4i trong kho\u1ea3ng h\u01a1n 1 n\u0103m qua. T\u1ef7 l\u1ec7 c\u00e1c con s\u1ed1 xu\u1ea5t hi\u1ec7n trong 2 ng\u00e0y li\u00ean ti\u1ebfp c\u1ee7a d\u00e3 y k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 l\u00e0 r\u1ea5t th\u1ea5p kho\u1ea3ng 30 %. <\/span><\/p>\n V\u1eady n\u1ebfu ta ch\u1ecdn nh\u1eefng con s\u1ed1 trong d\u00e3y k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 c\u1ee7a h\u00f4m tr\u01b0\u1edbc s\u1ebd c\u00f3 c\u01a1 h\u1ed9i \u0103n ti\u1ec1n kho\u1ea3ng 80-90%.<\/span><\/p>\nL\u00f4 tr\u01b0\u1ee3t l\u00e0 g\u00ec?<\/b><\/h2>\n
C\u00e1ch b\u1eaft l\u00f4 tr\u01b0\u1ee3t hi\u1ec7u qu\u1ea3 <\/b><\/h2>\n
\n
\n
\n