Trong qua\u0301 tri\u0300nh ch\u01a1i l\u00f4 xi\u00ean thi\u0300 ca\u0301c anh em co\u0301 th\u00ea\u0309 cho\u0323n cho mi\u0300nh \u0111\u01b0\u01a1\u0323c r\u00e2\u0301t nhi\u00ea\u0300u nh\u01b0\u0303ng ca\u0301ch ch\u01a1i, ca\u0301ch \u0111a\u0301nh kha\u0301c nhau. Vi\u0301 du\u0323 nh\u01b0 co\u0301 ng\u01b0\u01a1\u0300i ch\u01a1i b\u0103\u0301t l\u00f4 ke\u0301p, co\u0301 ng\u01b0\u01a1\u0300i la\u0323i ch\u01a1i b\u0103\u0301t ba\u0323ch thu\u0309 l\u00f4, song thu\u0309 l\u00f4, l\u00f4 xi\u00ean 2 3 4\u2026Va\u0300 m\u00f4\u0323t trong nh\u01b0\u0303ng ca\u0301ch ch\u01a1i ph\u00f4\u0309 bi\u00ea\u0301n nh\u00e2\u0301t khi nh\u0103\u0301c \u0111\u00ea\u0301n ch\u01a1i l\u00f4 \u0111o\u0301 chi\u0301nh la\u0300 l\u00f4 xi\u00ean. Trong l\u00f4 xi\u00ean la\u0323i co\u0301 kha\u0301 nhi\u00ea\u0300u loa\u0323i la\u0300 xi\u00ean 2, xi\u00ean 3, xi\u00ean 4.<\/span><\/p>\n V\u00e2\u0323y th\u01b0\u0323c t\u00ea\u0301 cu\u0309a nh\u01b0\u0303ng loa\u0323i xi\u00ean na\u0300y la\u0300 gi\u0300? Ca\u0301ch ch\u01a1i l\u00f4 xi\u00ean ra sao? Ha\u0303y cu\u0300ng v\u01a1\u0301i chu\u0301ng t\u00f4i kha\u0301m pha\u0301 va\u0300 ti\u0300m hi\u00ea\u0309u cu\u0323 th\u00ea\u0309 ngay sau \u0111\u00e2y nhe\u0301!<\/span><\/p>\n N\u1ed9i Dung<\/p>\n M\u0103\u0323c du\u0300 kha\u0301i ni\u00ea\u0323m l\u00f4 xi\u00ean \u0111a\u0303 kh\u00f4ng co\u0300n xa la\u0323 gi\u0300 v\u01a1\u0301i nh\u01b0\u0303ng tay la\u0303o luy\u00ea\u0323n trong ngh\u00ea\u0300, nh\u01b0\u0303ng ng\u01b0\u01a1\u0300i ch\u01a1i l\u00f4 \u0111\u00ea\u0300 nhi\u00ea\u0300u n\u0103m. Nh\u01b0ng \u0111\u00f4\u0301i v\u01a1\u0301i nh\u01b0\u0303ng ng\u01b0\u01a1\u0300i m\u01a1\u0301i ch\u01a1i, b\u0103\u0301t \u0111\u00e2\u0300u ti\u0300m hi\u00ea\u0309u v\u00ea\u0300 l\u00f4 \u0111\u00ea\u0300 thi\u0300 nh\u01b0\u0303ng kha\u0301i ni\u00ea\u0323m na\u0300y v\u00f4 cu\u0300ng quan tro\u0323ng, giu\u0301p cho mo\u0323i ng\u01b0\u01a1\u0300i hi\u00ea\u0309u h\u01a1n v\u00ea\u0300 m\u00f4\u0323t trong nh\u01b0\u0303ng ca\u0301ch ch\u01a1i mang v\u00ea\u0300 c\u01a1 h\u00f4\u0323i tru\u0301ng th\u01b0\u01a1\u0309ng v\u00f4 cu\u0300ng h\u00e2\u0301p d\u00e2\u0303n.<\/span><\/p>\n l\u00f4 xi\u00ean<\/p>\n<\/div>\n L\u00f4 xi\u00ean \u0111\u01b0\u01a1\u0323c \u0111i\u0323nh nghi\u0303a la\u0300 m\u00f4\u0323t trong nh\u01b0\u0303ng ki\u00ea\u0309u ch\u01a1i cu\u0309a l\u00f4, ng\u01b0\u01a1\u0300i ch\u01a1i kh\u00f4ng chi\u0309 cho\u0323n m\u00f4\u0323t con s\u00f4\u0301 duy nh\u00e2\u0301t \u0111\u00ea\u0309 d\u01b0\u0323 \u0111oa\u0301n ma\u0300 se\u0303 cho\u0323n i\u0301t nh\u00e2\u0301t t\u01b0\u0300 2 ho\u0103\u0323c 3, 4 con s\u00f4\u0301 tr\u01a1\u0309 l\u00ean \u0111\u00ea\u0309 \u0111a\u0301nh. Khi t\u00e2\u0301t ca\u0309 nh\u01b0\u0303ng con s\u00f4\u0301 na\u0300y \u0111\u00ea\u0300u xu\u00e2\u0301t hi\u00ea\u0323n \u01a1\u0309 2 s\u00f4\u0301 cu\u00f4\u0301i cu\u0309a ca\u0301c gia\u0309i trong ba\u0309ng k\u00ea\u0301t qua\u0309 x\u00f4\u0309 s\u00f4\u0301 thi\u0300 co\u0301 nghi\u0303a la\u0300 ba\u0323n \u0111a\u0303 th\u0103\u0301ng l\u01a1\u0301n, ng\u01b0\u01a1\u0323c la\u0323i chi\u0309 c\u00e2\u0300n co\u0301 m\u00f4\u0323t s\u00f4\u0301 kh\u00f4ng xu\u00e2\u0301t hi\u00ea\u0323n thi\u0300 ba\u0323n cu\u0303ng kh\u00f4ng th\u0103\u0301ng.<\/span><\/p>\n Nh\u01b0 k\u00ea\u0301t qua\u0309 \u01a1\u0309 l\u00f4 xi\u00ean 2, xi\u00ean 3, xi\u00ean 4 ca\u0301c ba\u0323n co\u0301 th\u00ea\u0309 th\u00e2\u0301y c\u01a1 h\u00f4\u0323i ca\u0301c ba\u0323n tru\u0301ng xi\u00ean 2 se\u0303 cao h\u01a1n xi\u00ean 3 va\u0300 4 r\u00e2\u0301t nhi\u00ea\u0300u. Cu\u0323 th\u00ea\u0309 la\u0300:<\/span><\/p>\n Xi\u00ean 2 xa\u0301c su\u00e2\u0301t tru\u0301ng la\u0300 4, 6%, t\u01b0\u0301c la\u0300 l\u00e2\u0301y 21, 5\u00d721, 5=0, 0462<\/span><\/p>\n Xi\u00ean 3 la\u0300 0, 994% co\u0301 nghi\u0303a la\u0300 ch\u01b0a \u0111\u00ea\u0301n 1, ba\u0323n l\u00e2\u0301y 21, 5\u00d73=0, 000994<\/span><\/p>\n Xi\u00ean 4 la\u0323i ca\u0300ng nho\u0309 h\u01a1n xi\u00ean 3, d\u01b0\u01a1\u0301i 1%, ba\u0323n l\u00e2\u0301y 21, 5\u00d74 se\u0303 ra con s\u00f4\u0301 xa\u0301c su\u00e2\u0301t.<\/span><\/p>\n Co\u0301 le\u0303 khi nhi\u0300n va\u0300o nh\u01b0\u0303ng con s\u00f4\u0301 tr\u00ean thi\u0300 nhi\u00ea\u0300u ng\u01b0\u01a1\u0300i \u0111ang th\u0103\u0301c m\u0103\u0301c kh\u00f4ng bi\u00ea\u0301t con s\u00f4\u0301 21, 5 l\u00e2\u0301y \u01a1\u0309 \u0111\u00e2u ra. Th\u01b0\u0323c t\u00ea\u0301 con s\u00f4\u0301 21, 5 chi\u0301nh la\u0300 ty\u0309 l\u00ea\u0323 th\u0103\u0301ng khi ti\u0301nh t\u01b0\u0300 100 con s\u00f4\u0301 trong da\u0303y s\u00f4\u0301 t\u01b0\u0300 00-99, se\u0303 co\u0301 27 s\u00f4\u0301 tru\u0300ng v\u01a1\u0301i k\u00ea\u0301t qua\u0309 x\u00f4\u0309 s\u00f4\u0301, nh\u01b0ng th\u01b0\u0323c t\u00ea\u0301 \u01a1\u0309 27 gia\u0309i x\u00f4\u0309 s\u00f4\u0301 chi\u0309 co\u0301 21,5 con s\u00f4\u0301 kha\u0301c nhau. Do \u0111o\u0301, se\u0303 l\u00e2\u0301y 21,5% na\u0300y nh\u00e2n v\u01a1\u0301i l\u00f4 xi\u00ean ma\u0300 ba\u0323n ch\u01a1i \u0111\u00ea\u0309 ti\u0300m ra xa\u0301c su\u00e2\u0301t th\u0103\u0301ng nh\u01b0 \u01a1\u0309 tr\u00ean.<\/span><\/p>\n Mu\u00f4\u0301n co\u0301 c\u01a1 h\u00f4\u0323i \u0111a\u0301nh tru\u0301ng l\u00f4 xi\u00ean thi\u0300 ngoa\u0300i may m\u0103\u0301n ca\u0301c ba\u0323n cu\u0303ng c\u00e2\u0300n co\u0301 \u0111\u01b0\u01a1\u0323c nh\u01b0\u0303ng ph\u01b0\u01a1ng pha\u0301p, ca\u0301ch ch\u01a1i l\u00f4 xi\u00ean chu\u00e2\u0309n ba\u0300i nh\u00e2\u0301t. Nh\u01b0\u0303ng ca\u0301ch na\u0300y \u0111\u00ea\u0300u \u0111\u01b0\u01a1\u0323c nh\u01b0\u0303ng ng\u01b0\u01a1\u0300i ch\u01a1i l\u00f4 xi\u00ean l\u00e2u n\u0103m cu\u0300ng v\u01a1\u0301i nhi\u00ea\u0300u chuy\u00ean gia nghi\u00ean c\u01b0\u0301u l\u00f4 \u0111\u00ea\u0300 \u0111u\u0301c ru\u0301t ra chia se\u0309 la\u0323i. Ca\u0301c ba\u0323n co\u0301 th\u00ea\u0309 tham kha\u0309o \u0111\u00ea\u0309 ho\u0323c ho\u0309i va\u0300 b\u00f4\u0309 sung th\u00eam v\u00ea\u0300 ca\u0301ch ch\u01a1i l\u00f4 xi\u00ean cho mi\u0300nh.<\/span><\/p>\n Co\u0301 r\u00e2\u0301t nhi\u00ea\u0300u nh\u01b0\u0303ng con s\u00f4\u0301 m\u00f4\u0323t khi \u0111a\u0303 xu\u00e2\u0301t hi\u00ea\u0323n thi\u0300 r\u00e2\u0301t hay \u0111i cu\u0300ng nhau. N\u00ea\u0301u ca\u0301c ba\u0323n nh\u01a1\u0301 \u0111\u01b0\u01a1\u0323c \u0111i\u00ea\u0300u na\u0300y thi\u0300 vi\u00ea\u0323c d\u01b0\u0323 \u0111oa\u0301n cu\u0303ng se\u0303 kh\u00f4ng chi\u0309 la\u0300 mang ti\u0301nh ch\u00e2\u0301t ng\u00e2\u0303u nhi\u00ean, cho\u0323n b\u01b0\u0300a m\u00f4\u0323t s\u00f4\u0301 ma\u0300 la\u0300 co\u0301 s\u01b0\u0323 ti\u0301nh toa\u0301n nh\u00e2\u0301t \u0111i\u0323nh.<\/span><\/p>\n Ba\u0323n th\u00e2\u0301y co\u0301 060 thi\u0300 xa\u0301c su\u00e2\u0301t cao nga\u0300y h\u00f4m sau se\u0303 co\u0301 1 con s\u00f4\u0301 na\u0300y la\u0323i ti\u00ea\u0301p tu\u0323c xu\u00e2\u0301t hi\u00ea\u0323n<\/span><\/p>\n L\u00f4 \u0111\u00e2\u0300u 7 ho\u0103\u0323c \u0111i\u0301t 3 c\u00e2m thi\u0300 h\u00f4m sau d\u01b0\u0323 la\u0300 se\u0303 co\u0301 73 se\u0303 v\u00ea\u0300 ho\u0103\u0323c 37<\/span><\/p>\n H\u00f4m tr\u01b0\u01a1\u0301c xu\u00e2\u0301t hi\u00ea\u0323n 68 kha\u0309 n\u0103ng cao h\u00f4m sau co\u0301 86<\/span><\/p>\n L\u00f4 xi\u00ean la\u0300 m\u00f4\u0323t trong nh\u01b0\u0303ng ca\u0301ch ch\u01a1i ph\u00f4\u0309 bi\u00ea\u0301n hi\u00ea\u0323n nay vi\u0300 th\u00ea\u0301 ca\u0301c anh em hoa\u0300n toa\u0300n co\u0301 th\u00ea\u0309 tham kha\u0309o, l\u01b0\u0323a cho\u0323n \u0111\u00ea\u0309 ch\u01a1i. V\u01a1\u0301i nh\u01b0\u0303ng th\u00f4ng tin kha\u0301 chi ti\u00ea\u0301t v\u00ea\u0300 l\u00f4 xi\u00ean 2, xi\u00ean 3 va\u0300 xi\u00ean 4 \u01a1\u0309 tr\u00ean hy vo\u0323ng co\u0301 th\u00ea\u0309 giu\u0301p mo\u0323i ng\u01b0\u01a1\u0300i l\u01b0\u0323a cho\u0323n \u0111\u01b0\u01a1\u0323c m\u00f4\u0323t ca\u0301ch ch\u01a1i phu\u0300 h\u01a1\u0323p, cu\u0303ng nh\u01b0 co\u0301 nh\u01b0\u0303ng chi\u00ea\u0301n thu\u00e2\u0323t, ph\u01b0\u01a1ng pha\u0301p \u0111a\u0301nh l\u00f4 xi\u00ean d\u00ea\u0303 tru\u0301ng nh\u00e2\u0301t.<\/span><\/p>\n Ha\u0303y lu\u00f4n c\u00e2n nh\u0103\u0301c ky\u0303 ca\u0300ng va\u0300 th\u00e2\u0323t ti\u0309nh ta\u0301o trong mo\u0323i quy\u00ea\u0301t \u0111i\u0323nh cu\u0309a mi\u0300nh. \u0110\u0103\u0323c bi\u00ea\u0323t la\u0300 lu\u00f4n bi\u00ea\u0301t \u0111i\u00ea\u0309m d\u01b0\u0300ng, kh\u00f4ng qua\u0301 g\u01a1\u0303 khi thua, cu\u0303ng kh\u00f4ng l\u00ean \u0111a\u0301nh t\u00e2\u0301t tay nh\u01b0\u0303ng gi\u0300 mi\u0300nh co\u0301. \u0110i\u00ea\u0300u na\u0300y se\u0303 giu\u0301p ba\u0323n co\u0301 th\u00ea\u0309 ch\u01a1i l\u00f4 \u0111\u00ea\u0300 \u0111\u01b0\u01a1\u0323c l\u00e2u h\u01a1n va\u0300 nh\u01b0 m\u00f4\u0323t d\u00e2n ch\u01a1i th\u01b0\u0301 thi\u00ea\u0323t, chuy\u00ean nghi\u00ea\u0323p.<\/span><\/p>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n\n
L\u00f4 xi\u00ean l\u00e0 g\u00ec?<\/strong><\/span><\/span><\/h2>\n
<\/p>\n
Ty\u0309 l\u00ea\u0323 th\u0103\u0301ng cu\u0309a l\u00f4 xi\u00ean<\/strong><\/span><\/span><\/h2>\n
C\u00e1ch ch\u01a1i l\u00f4 xi\u00ean<\/strong><\/span><\/h3>\n
B\u0103\u0301t l\u00f4 xi\u00ean qua nh\u01b0\u0303ng con s\u00f4\u0301 hay ra cu\u0300ng nhau<\/strong><\/span><\/h3>\n
K\u1ebft lu\u1eadn<\/strong><\/span><\/span><\/h2>\n
th\u1ea7n t\u00e0i ch\u1ed1t l\u00f4 si\u00eau vip
<\/span><\/h4>\n
b\u1ea1ch th\u1ee7 l\u00f4 mi\u1ec1n b\u1eafc chu\u1ea9n x\u00e1c<\/span><\/a><\/strong><\/p>\n
song th\u1ee7 l\u00f4 mi\u1ec1n b\u1eafc chu\u1ea9n x\u00e1c<\/span><\/a><\/strong><\/p>\n
b\u1ea1ch th\u1ee7 l\u00f4 k\u00e9p mi\u1ec1n b\u1eafc chu\u1ea9n x\u00e1c<\/span><\/a><\/strong><\/p>\n
song th\u1ee7 l\u00f4 k\u00e9p mi\u1ec1n b\u1eafc chu\u1ea9n x\u00e1c<\/span><\/a><\/strong><\/p>\n
<\/strong>b\u1ea1ch th\u1ee7 \u0111\u1ec1 mi\u1ec1n b\u1eafc chu\u1ea9n x\u00e1c<\/span><\/strong><\/a><\/p>\n
song th\u1ee7 \u0111\u1ec1 mi\u1ec1n b\u1eafc chu\u1ea9n x\u00e1c<\/span><\/a><\/strong><\/p>\n
d\u00e0n \u0111\u1ec1 4 s\u1ed1 mi\u1ec1n b\u1eafc chu\u1ea9n x\u00e1c<\/span><\/a><\/strong><\/p>\n
d\u00e0n \u0111\u1ec1 6 s\u1ed1 mi\u1ec1n b\u1eafc chu\u1ea9n x\u00e1c<\/span><\/a><\/strong><\/p>\n
d\u00e0n \u0111\u1ec1 8 s\u1ed1 mi\u1ec1n b\u1eafc chu\u1ea9n x\u00e1c<\/span><\/a><\/strong><\/p>\n
d\u00e0n \u0111\u1ec1 10 s\u1ed1 mi\u1ec1n b\u1eafc chu\u1ea9n x\u00e1c<\/span><\/a><\/strong><\/p>\n
b\u1ea1ch th\u1ee7 l\u00f4 2 nh\u00e1y mi\u1ec1n b\u1eafc chu\u1ea9n x\u00e1c<\/span><\/a><\/strong><\/p>\n
th\u1ea7n t\u00e0i ch\u1ed1t s\u1ed1 mi\u1ec1n b\u1eafc
<\/span><\/h4>\n
d\u00e0n l\u00f4 6 s\u1ed1 mi\u1ec1n b\u1eafc theo l\u00e0 \u0103n<\/span><\/a><\/strong><\/p>\n
d\u00e0n l\u00f4 8 s\u1ed1 mi\u1ec1n b\u1eafc theo l\u00e0 \u0103n<\/span><\/a><\/strong><\/p>\n
d\u00e0n l\u00f4 xi\u00ean 2 mi\u1ec1n b\u1eafc theo l\u00e0 \u0103n<\/span><\/a><\/strong><\/p>\n
d\u00e0n l\u00f4 xi\u00ean 3 mi\u1ec1n b\u1eafc theo l\u00e0 \u0103n<\/span><\/a><\/strong><\/p>\n
d\u00e0n l\u00f4 xi\u00ean 4 mi\u1ec1n b\u1eafc theo l\u00e0 \u0103n<\/span><\/a><\/strong><\/p>\n
3 c\u00e0ng mi\u1ec1n b\u1eafc theo l\u00e0 \u0103n<\/span><\/a><\/strong><\/p>\n
3 c\u00e0ng 2 s\u1ed1 mi\u1ec1n b\u1eafc theo l\u00e0 \u0103n<\/span><\/a><\/strong><\/p>\n
d\u00e0n l\u00f4 10 s\u1ed1 mi\u1ec1n b\u1eafc theo l\u00e0 \u0103n<\/span><\/a><\/strong><\/p>\n
\u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i mi\u1ec1n b\u1eafc theo l\u00e0 \u0103n<\/span><\/a><\/strong><\/p>\n
d\u00e0n l\u00f4 4 s\u1ed1 mi\u1ec1n b\u1eafc theo l\u00e0 \u0103n<\/span><\/a><\/strong><\/p>\n
th\u1ea7n t\u00e0i ch\u1ed1t ch\u1ed1t s\u1ed1 mi\u1ec1n nam
<\/span><\/h4>\n
chu\u1ea9n x\u1ec9u ch\u1ee7 mi\u1ec1n nam t\u1eeb chuy\u00ean gia<\/span><\/a><\/strong><\/p>\n
gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mi\u1ec1n nam t\u1eeb chuy\u00ean gia<\/span><\/a><\/strong><\/p>\n
gi\u1ea3i 8 mi\u1ec1n nam t\u1eeb chuy\u00ean gia<\/span><\/a><\/strong><\/p>\n
chu\u1ea9n bao l\u00f4 mi\u1ec1n nam t\u1eeb chuy\u00ean gia<\/span><\/a><\/strong><\/p>\n
c\u1eb7p x\u1ec9u ch\u1ee7 mi\u1ec1n nam t\u1eeb chuy\u00ean gia<\/span><\/a><\/strong><\/p>\n
song th\u1ee7 l\u00f4 mi\u1ec1n nam t\u1eeb chuy\u00ean gia<\/span><\/a><\/strong><\/p>\n
\u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 8 mi\u1ec1n nam t\u1eeb chuy\u00ean gia<\/span><\/a><\/strong><\/p>\n
\u0111\u1ea7u \u0111u\u00f4i \u0111\u1eb7c bi\u1ec7t mi\u1ec1n nam t\u1eeb chuy\u00ean gia<\/span><\/a><\/strong><\/p>\n
l\u00f4 3 s\u1ed1 mi\u1ec1n nam t\u1eeb chuy\u00ean gia<\/span><\/a><\/strong><\/p>\n
th\u1ea7n t\u00e0i ch\u1ed1t s\u1ed1 mi\u1ec1n trung
<\/span><\/span><\/h4>\n
x\u1ec9u ch\u1ee7 mi\u1ec1n trung si\u00eau chu\u1ea9n<\/span><\/a><\/strong><\/p>\n
gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mi\u1ec1n trung si\u00eau chu\u1ea9n<\/span><\/a><\/strong><\/p>\n
gi\u1ea3i 8 mi\u1ec1n trung si\u00eau chu\u1ea9n<\/span><\/a><\/strong><\/p>\n
bao l\u00f4 mi\u1ec1n trung si\u00eau chu\u1ea9n<\/span><\/a><\/strong><\/p>\n
c\u1eb7p x\u1ec9u ch\u1ee7 mi\u1ec1n trung si\u00eau chu\u1ea9n<\/span><\/a><\/strong><\/p>\n
song th\u1ee7 l\u00f4 mi\u1ec1n trung si\u00eau chu\u1ea9n<\/span><\/a><\/strong><\/p>\n
\u0111u\u00f4i gi\u1ea3i 8 mi\u1ec1n trung si\u00eau chu\u1ea9n<\/span><\/a><\/strong><\/p>\n
Soi c\u1ea7u l\u00f4 xi\u00ean 2 3 4 hi\u1ec7u qu\u1ea3 nh\u1ea5t hi\u1ec7n nay<\/h1>\n<\/header>\n\n
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