Khi tham gia k\u00e8o n\u00e0y m\u00e0 kh\u00f4ng hi\u1ec3u c\u00e1ch \u0111\u00e1nh k\u00e8o l\u00f4 tr\u01b0\u1ee3t th\u00ec v\u1edbi c\u00e1ch kh\u00e1c l\u00e0 t\u00ecm ra l\u00f4 tr\u01b0\u1ee3t \u0111\u1ec3 t\u00ecm ra l\u00f4 ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u00e1nh tr\u00fang. Nhi\u1ec1u c\u00e2u h\u1ecfi \u0111\u1eb7t ra r\u1eb1ng l\u00f4 tr\u01b0\u1ee3t l\u00e0 g\u00ec, c\u00e1ch \u0111\u00e1nh l\u00f4 tr\u01b0\u1ee3t hi\u1ec7u qu\u1ea3, hi\u1ec7u qu\u1ea3 h\u01a1n c\u00e1c k\u00e8o l\u00f4 b\u00ecnh th\u01b0\u1eddng hay kh\u00f4ng th\u00ec sau qu\u00e1 tr\u00ecnh \u0111\u01b0\u1ee3c c\u00e1c ng\u01b0\u1eddi x\u01b0a c\u0169ng nh\u01b0 anh ch\u1ecb em l\u00e2u n\u0103m chia s\u1ebd th\u00ec nay ch\u00fang ta s\u1ebd ch\u1ec9 cho c\u00e1c b\u1ea1n b\u00ed quy\u1ebft c\u00e1ch \u0111\u00e1nh c\u01b0\u1ee3c l\u1ed9 tr\u01b0\u1ee3t, ph\u1ea7m tr\u0103m chi\u1ebfn th\u1eafng c\u0169ng nh\u01b0 gi\u00fap ch\u00fang ta \u0111\u01b0a ra nh\u1eefng quy\u1ebft \u0111\u1ecbnh n\u00ean tham gia k\u00e8o l\u00f4 \u0111\u1ec1 n\u00e0o. H\u00e3y xem b\u00e0i vi\u1ebft sau \u0111\u00e2y.<\/span><\/span><\/span><\/p>\n \u0110\u01b0\u1ee3c hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 \u0111\u00e1nh c\u01b0\u1ee3c l\u00f4 theo nh\u1eefng c\u1eb7p s\u1ed1 kh\u00f4ng v\u1ec1. N\u1ebfu tr\u01b0\u1eddng h\u1ee3p ch\u00fang ta ch\u01a1i nh\u1eefng l\u00f4 kh\u00f4 khan, gan l\u1ef3 th\u00ec kh\u00f4ng n\u00ean, ki\u1ec3u thi\u1ebfu ki\u1ebfn th\u1ee9c, \u00fd t\u01b0\u1edfng.<\/span><\/span><\/span> <\/p>\n \u0110\u00e2y l\u00e0 2 c\u00e1ch m\u00e0 ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c chia s\u1ebd l\u1ea1i v\u00e0 c\u00f9ng v\u1edbi s\u1ef1 nghi\u00ean c\u1ee9u kho\u1ea3ng th\u1eddi gian th\u00ec nay s\u1ebd chia s\u1ebd l\u1ea1i c\u00e1c b\u1ea1n v\u00e0 t\u1eeb \u0111\u00f3 ch\u00fang ta c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o \u0111\u00f3 \u0111\u1ec3 t\u00ecm ra l\u00f4 tr\u00fang ch\u00ednh x\u00e1c \u0111\u1ed1i v\u1edbi k\u00e8o l\u00f4 tr\u01b0\u1ee3t.<\/span><\/span><\/span><\/p>\n Ki\u1ec3u l\u00f4 tr\u01b0\u1ee3t n\u00e0y hay c\u00f2n g\u1ecdi l\u00e0 l\u00f4 tr\u01b0\u1ee3t mi\u1ec1n B\u1eafc th\u00ec khi ch\u00fang ta tham gia s\u1ebd ch\u1ecdn lo\u1ea1i xi\u00ean 4, xi\u00ean 8 hay xi\u00ean 10 n\u1ebfu k\u1ebft qu\u1ea3 ra 4 l\u00f4 tr\u01b0\u1ee3t c\u00f9ng th\u00ec s\u1ebd l\u00e3i nh\u01b0 sau:<\/span><\/span><\/span><\/p>\n + C\u01b0\u1ee3c 1 \u0111\u01b0\u1ee3c 2 v\u1edbi lo\u1ea1i h\u00ecnh xi\u00ean 4<\/span><\/span><\/span><\/p>\n + C\u01b0\u1ee3c 1 \u0111\u01b0\u1ee3c 7 v\u1edbi lo\u1ea1i h\u00ecnh xi\u00ean 8 (c\u1ea3 8 l\u00f4 c\u00f9ng tr\u01b0\u1ee3t)<\/span><\/span><\/span><\/p>\n + Nh\u01b0 tr\u00ean n\u1ebfu 10 con c\u00f9ng tr\u01b0\u1ee3t th\u00ec ch\u00fang ta s\u1ebd c\u01b0\u1ee3c 1 \u0103n \u0111\u01b0\u01a1c l\u00ean \u0111\u1ebfn 10.<\/span><\/span><\/span> V\u1edbi 27 gi\u1ea3i c\u1ee7a k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 mi\u1ec1n b\u1eafc th\u00ec t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m c\u1ee7a 1 con l\u00f4 s\u1ebd l\u00e0 78% nh\u01b0ng n\u1ebfu tr\u00f9ng nhau th\u00ec t\u1ef7 l\u1ec7 s\u1ed1 kh\u00e1c nhau ch\u1ec9 n\u1eb1m kho\u1ea3n 21.5 \u0111\u1ebfn 22. N\u00ean 100 s\u1ed1 th\u00ec s\u1ebd c\u00f3 78 con s\u1ed1 s\u1ebd tr\u01b0\u1ee3t t\u1eeb \u0111\u00f3 ch\u00fang ta s\u1ebd suy lu\u1eadn ra.<\/span><\/span><\/span><\/p>\n K\u00e8o l\u00f4 tr\u01b0\u1ee3t v\u1edbi xi\u00ean 4 l\u00e0 0.78 x 0.78 x 0.78 x 0.78 = 0.37 l\u00e0 37% th\u00ec n\u1ebfu th\u1eafng s\u1ebd l\u00e3i khi c\u01b0\u1ee3c 1 v\u00e0 \u0103n \u0111\u01b0\u1ee3c 2.<\/span><\/span><\/span><\/p>\n K\u00e8o l\u00f4 tr\u01b0\u1ee3t v\u1edbi xi\u00ean 8 ch\u00fang ta l\u1ea5y 0.78 nh\u00e2n v\u1edbi ch\u00ednh n\u00f3 8 l\u1ea7n th\u00ec th\u00ec s\u1ebd \u0111\u01b0\u1ee3c 14% x\u00e1c su\u1ea5t th\u1eafng l\u00e3i l\u00e0 1 \u0103n 7.<\/span><\/span><\/span><\/p>\n K\u00e8o l\u00f4 tr\u01b0\u1ee3t v\u1edbi xi\u00ean 10 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 tr\u00ean th\u00ec ch\u00fang ta s\u1ebd \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 x\u00e1c su\u1ea5t th\u1eafng l\u00e0 8.3% th\u00ec khi c\u01b0\u1ee3c 1 s\u1ebd \u0103n l\u00ean \u0111\u1ebfn 10.<\/span><\/span><\/span><\/p>\n <\/p>\n \u00c1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y v\u1edbi lo\u1ea1i k\u00e8o l\u00f4 tr\u01b0\u1ee3t th\u00ec ch\u00fang ta s\u1ebd ch\u1ecdn t\u1eeb 90 t\u1edbi 96 s\u1ed1 kh\u00e1c nhau \u0111\u1ec3 c\u01b0\u1ee3c, ch\u1ec9 lo\u1ea1i tr\u1eeb t\u01b0 6 s\u1ed1 \u0111\u1ebfn 10 s\u1ed1 s\u1ebd kh\u00f4ng ch\u01a1i. \u00c1p d\u1ee5ng c\u00e1ch n\u00e0y th\u00ec s\u1ebd \u0111\u1ea3m b\u1ea3o gi\u00fap ch\u00fang ta r\u1eb1ng kh\u00f4ng nh\u1eefng con l\u00f4 n\u00e0o trong s\u1ed1 nh\u1eefng con l\u00f4 \u0111\u00e3 lo\u1ea1i b\u00f5 th\u00ec ch\u00fang ta m\u1edbi h\u00f2a v\u1ed1n \u0111\u01b0\u1ee3c nh\u00e9. N\u1ebfu x\u1ea3y ra tr\u01b0\u1eddng h\u1ee3p nh\u1eefng con l\u00f4 ra theo nh\u01b0ng con s\u1ed1 \u0111\u00e3 b\u1ecb lo\u1ea1i th\u00ec ng\u01b0\u1eddi ch\u01a1i s\u1ebd l\u1ed7 3.5 l\u1ea7n ti\u1ec1n c\u01b0\u1ee3c khi tham gia ch\u01a1i cho m\u1ed9t s\u1ed1.<\/span><\/span><\/span><\/p>\n V\u00ed d\u1ee5 \u0111\u1ec3 cho ch\u00fang ta d\u1ec5 hi\u1ec3u:<\/span><\/span><\/span><\/p>\n Ch\u01a1i 1 \u0111i\u1ec3m l\u00f4 th\u00ec s\u1ed1 ti\u1ec1n \u0111\u1eb7t c\u01b0\u1ee3c l\u00e0 23 ngh\u00ecn \u0111\u1ed3ng, ch\u01a1i 100 \u0111i\u1ec3m v\u1edbi 100 s\u1ed1 th\u00ec s\u1ed1 ti\u1ec1n \u0111\u1eb7t c\u01b0\u1ee3c s\u1ebd l\u00e0 2 tri\u1ec7u 3 tr\u0103m ngh\u00ecn \u0111\u1ed3ng.<\/span><\/span><\/span><\/p>\n N\u1ebfu ch\u00fang ta \u0111\u00e1nh h\u1ebft 100 s\u1ed1 th\u00ec gi\u1ea3i 27 s\u1ed1 ch\u00fang ta s\u1ebd tr\u00fang ti\u1ec1n c\u01b0\u1ee3c l\u00e3i v\u1edbi 27 \u0111i\u1ec3m nh\u00e2n cho 80 ngh\u00ecn \u0111\u1ed3ng th\u00ec s\u1ebd \u0111\u01b0\u1ee3c 2 tri\u1ec7u 1 tr\u0103m 60 ngh\u00ecn \u0111\u1ed3ng.<\/span><\/span><\/span><\/p>\n Suy ra 2160k tr\u1eeb \u0111i 2300k th\u00ec s\u1ebd l\u1ed7 140k th\u00ec ch\u00fang ta s\u1ebd thua v\u1edbi 6 \u0111i\u1ec3m l\u00f4 t\u01b0\u01a1ng \u1ee9ng.<\/span><\/span><\/span><\/p>\n C\u00e1ch n\u00e0y \u00e1p d\u1ee5ng h\u1ebft c\u1ea3 100 con s\u1ed1 th\u00ec t\u1ef7 l\u1ec7 l\u00e3i \u0111\u01b0\u1ee3c s\u1ebd kh\u00f4ng cao n\u1ebfu t\u00ednh to\u00e1n, h\u00e3y suy ngh\u0129 th\u1eadt k\u1ef9 tr\u01b0\u1edbc khi chi\u1ebfn k\u00e8o n\u00e0y nh\u00e9. Kinh nghi\u1ec7m \u0111\u01b0\u1ee3c chia s\u1ebd th\u00ec nh\u1eefng con l\u00f4 d\u00e0i ng\u00e0y th\u00ec \u0111\u00e1nh l\u00f4 tr\u01b0\u1ee3t c\u00f2n nh\u1eefng con l\u00f4 xu\u1ea5t hi\u1ec7n qu\u00e1 10 ng\u00e0y ch\u00fang ta c\u0169ng c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u00e1nh l\u00f4 tr\u01b0\u1ee3t \u0111\u01b0\u1ee3c.<\/span><\/span><\/span><\/p>\n Nh\u01b0 v\u1eady ch\u00fang ta c\u0169ng hi\u1ec3u th\u1ebf n\u00e0o l\u00e0 l\u00f4 tr\u01b0\u1ee3t r\u1ed3i ph\u1ea3i kh\u00f4ng n\u00e0o, b\u00e0i vi\u1ebft c\u00e1ch t\u00ecm l\u00f4 tr\u01b0\u1ee3t \u0111\u00e1nh l\u00f4 tr\u00fang hi\u1ec7u qu\u1ea3 cao s\u1ebd cho b\u1ea1n th\u00eam ph\u1ea7n ki\u1ebfn th\u1ee9c kh\u00f4ng nh\u1ecf ch\u00fat n\u00e0o khi tham gia c\u00e1c k\u00e8o n\u00e0y v\u00e0 c\u00f2n v\u00f4 s\u1ed1 tr\u00f2 ch\u01a1i th\u00fa v\u1ecb \u0111ang ch\u1edd b\u1ea1n h\u00e3y nhanh ch\u00e2n \u0111\u0103ng k\u00fd t\u00e0i kho\u1ea3n \u0111\u1ec3 tr\u1edf th\u00e0nh th\u00e0nh vi\u00ean ch\u00ednh th\u1ee9c v\u00e0 \u0111\u01b0\u1ee3c nhi\u1ec1u \u01b0u \u0111\u00e3i h\u1ea5p d\u1eabn khi tham gia nh\u00e9. Ch\u00fac anh ch\u1ecb em g\u1eb7p nhi\u1ec1u may m\u1eafn.<\/span><\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\nNhi\u1ec1u ng\u01b0\u1eddi khi tham gia lo\u1ea1i h\u00ecnh l\u00f4 \u0111\u1ec1 n\u00e0y th\u00ec ch\u1ec9 tham gia m\u1ed9t c\u00e1ch v\u00f4 th\u1ee9c, m\u1edbi l\u1ea1 nh\u01b0ng \u0111\u1ec3 b\u1eaft l\u00f4 ch\u00ednh x\u00e1c, hi\u1ec7u qu\u1ea3 th\u00ec \u0111\u01b0\u01a1ng nhi\u00ean kh\u00f4ng ph\u1ea3i b\u1ea5t c\u1ee9 ai c\u0169ng c\u00f3 th\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c. D\u01b0\u1edbi \u0111\u00e2y g\u1ed3m c\u00f3 2 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00fap b\u1ea1n t\u0103ng cao kh\u1ea3 n\u0103ng l\u00e3i c\u01b0\u1ee3c, n\u1ebfu quan t\u00e2m h\u00e3y xem ph\u1ea7n d\u01b0\u1edbi n\u00e0y nh\u00e9. <\/span><\/span><\/span><\/p>\nHai c\u00e1c \u0111\u00e1nh c\u01b0\u1ee3c l\u00f4 tr\u01b0\u1ee3t hi\u1ec3u qu\u1ea3 cao<\/h3>\n
Ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh k\u00e8o l\u00f4 tr\u01b0\u1ee3t th\u1ee9 nh\u1ea5t<\/h3>\n
\nV\u1ec1 ph\u1ea7n tr\u0103m c\u1ee7a lo\u1ea1i xi\u00ean 4, xi\u00ean 8 hay xi\u00ean 10 s\u1ebd bi\u1ebft \u0111\u01b0\u1ee3c c\u01a1 h\u1ed9i k\u00edm l\u00e3i n\u00ean ch\u00fang ta s\u1ebd hi\u1ec3u nh\u01b0 sau \u0111\u00e2y.<\/span><\/span><\/span><\/p>\nPh\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh k\u00e8o l\u00f4 tr\u01b0\u1ee3t th\u1ee9 hai<\/h3>\n
<\/h2>\n
K\u1ebft lu\u1eadn chung<\/h3>\n
soi c\u1ea7u \u0111\u1ec1 v\u00edp x\u1ed5 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/h3>\n
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