\n\u0110i\u1ec3n h\u00ecnh c\u00e1c b\u1ea1n s\u1ebd tham gia \u0111\u00e1nh c\u01b0\u1ee3c l\u00f4 \u0111\u1ec1 b\u1ea1ch th\u1ee7 trong v\u00f2ng 7 ng\u00e0y n\u1ebfu ch\u1ec9 c\u1ea7n kho\u1ea3ng 3 nh\u00e1y tr\u00ean 7 ng\u00e0y th\u00ec ch\u00fang ta c\u0169ng c\u00f3 l\u00e3i. Tr\u00e1i l\u1ea1i th\u00ec kh\u00f4ng ph\u1ea3i l\u00f4 b\u1ea1ch th\u1ee7 ng\u00e0y n\u00e0o c\u0169ng c\u00f3 th\u1ec3 b\u1eaft ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c. H\u00e3y c\u00f9ng ch\u00fang ta \u0111\u1ecdc qua b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 chia s\u1ebd ch\u00ednh x\u00e1c c\u00e1ch ch\u01a1i k\u00e8o b\u1ea1ch th\u1ee7 l\u00f4 t\u1ea1i nh\u00e0 c\u00e1i uy t\u00edn nh\u1ea5t Vi\u1ec7t Nam nh\u00e9.<\/p>\n
- \n
- Lo\u1ea1i h\u00ecnh: L\u00f4 b\u1ea1ch th\u1ee7 k\u00e9p<\/li>\n
- Lo\u1ea1i h\u00ecnh: L\u00f4 b\u1ea1ch th\u1ee7 d\u1ea1ng khuy\u1ebft g\u00f3c<\/li>\n
- Lo\u1ea1i h\u00ecnh: B\u1eaft l\u00f4 b\u1ea1ch th\u1ee7 t\u1ed5ng<\/li>\n
- Lo\u1ea1i h\u00ecnh: B\u1eaft l\u00f4 b\u1ea1ch th\u1ee7 ki\u1ec3u h\u00ecnh tam<\/li>\n
- Lo\u1ea1i h\u00ecnh: B\u1eaft l\u00f4 b\u1ea1ch th\u1ee7 ch\u1ea1m hai nh\u00e1y.<\/li>\n
- Lo\u1ea1i h\u00ecnh: B\u1eaft l\u00f4 b\u1ea1ch th\u1ee7 tr\u00f9ng c\u1eb7p<\/li>\n
- Lo\u1ea1i h\u00ecnh: B\u1eaft b\u1ea1ch th\u1ee7 l\u00f4 \u0111\u01b0\u1eddng th\u1eb3ng<\/li>\n
- Lo\u1ea1i h\u00ecnh: B\u1eaft l\u00f4 b\u1ea1ch th\u1ee7 tam gi\u00e1c \u0111\u1ec1u<\/li>\n
- Lo\u1ea1i h\u00ecnh: B\u1eaft l\u00f4 b\u1ea1ch th\u1ee7 t\u1ee9 qu\u00fd v\u00e0 ng\u0169 qu\u00fd<\/li>\n
- K\u1ebft lu\u1eadn<\/li>\n
- <\/li>\n<\/ul>\n<\/div>\n
Lo\u1ea1i h\u00ecnh: L\u00f4 b\u1ea1ch th\u1ee7 k\u00e9p<\/strong><\/h2>\n
Th\u01b0\u1eddng th\u00ec trong tr\u00f2 ch\u01a1i c\u00e1 c\u01b0\u1ee3c l\u00f4 \u0111\u1ec1 th\u00ec l\u00f4 k\u00e9p s\u1ebd d\u1ec5 b\u1ea1ch th\u1ee7 n\u00ean ch\u00fang ta kh\u00f4ng ph\u1ea3i nh\u1eb1m l\u1eabn.<\/p>\n
Lo\u1ea1i h\u00ecnh: L\u00f4 b\u1ea1ch th\u1ee7 d\u1ea1ng khuy\u1ebft g\u00f3c<\/strong><\/h2>\n
Ki\u1ec3u l\u00f4 n\u00e0y c\u0169ng kh\u00f4ng ph\u1ea3i thu\u1ed9c d\u1ea1ng kh\u00f3 ra nh\u01b0ng n\u1ebfu v\u1ec1 nh\u00e1y th\u00ec t\u1ef7 l\u1ec7 n\u1ed5 s\u1ebd kh\u00e1 l\u00e0 cao \u0111\u1ea5y. Th\u00f4ng th\u01b0\u1eddng th\u00ec lo\u1ea1i h\u00ecnh khuy\u1ebft g\u00f3c n\u00e0y \u0111a s\u1ed1 xu\u1ea5t hi\u1ec7n \u1edf c\u00e1c gi\u1ea3i nh\u00ec v\u00e0 gi\u1ea3i n\u0103m.<\/p>\n
Lo\u1ea1i h\u00ecnh: B\u1eaft l\u00f4 b\u1ea1ch th\u1ee7 t\u1ed5ng<\/strong><\/h2>\n
Khi ch\u00fang ta theo ki\u1ec3u lo\u1ea1i h\u00ecnh t\u1ed5ng n\u00e0y th\u00ec ch\u00fang ta h\u00e3y xem h\u00e0ng ba s\u1ed1 c\u1ee7a gi\u1ea3i n\u0103m v\u00e0 gi\u1ea3i s\u00e1u. Th\u1ef1c hi\u1ec7n nh\u01b0 sau:
\n+ Gi\u1ea3i n\u0103m G2.4 ch\u00fang ta s\u1ebd h\u1ee3p l\u1ea1i v\u1edbi gi\u1ea3i s\u00e1u G2.3 v\u00ed d\u1ee5 nh\u01b0 ng\u00e0y 17\/10 ch\u00fang ta c\u00f3 t\u1ed5ng ba s\u1ed1 l\u00e0 7 + 7 + 5 = 19. Khi \u0111\u00f3 ch\u00fang ta s\u1ebd \u0111\u00e1nh c\u01b0\u1ee3c c\u1eb7p l\u00e0 191 v\u1edbi khung lo\u1ea1i kho\u1ea3ng ba ng\u00e0y.
\n\u00c1p d\u1ee5ng lo\u1ea1i h\u00ecnh n\u00e0y v\u1edbi khung kho\u1ea3ng t\u1ea7m 3 ng\u00e0y th\u00f4ng th\u01b0\u1eddng s\u1ebd r\u1ea5t \u00edt khi v\u01b0\u1ee3t gi\u1edbi h\u1ea1n. Theo lo\u1ea1i h\u00ecnh n\u00e0y k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t s\u1ed1 kinh nghi\u1ec7m h\u1ed5 tr\u1ee3 m\u00ecnh ch\u00fang t\u00f4i \u0111\u00e3 ho\u00e0n h\u00ecnh trong khu c\u00f4ng nghi\u1ec7p nu\u00f4i l\u00f4 21 c\u1eb7p th\u00f4ng li\u00ean ti\u1ebfp nh\u00e9 c\u00e1c b\u1ea1n.<\/p>\nLo\u1ea1i h\u00ecnh: B\u1eaft l\u00f4 b\u1ea1ch th\u1ee7 ki\u1ec3u h\u00ecnh tam<\/strong><\/h2>\n
Lo\u1ea1i h\u00ecnh n\u00e0y th\u00ec ch\u00fang ta v\u1eabn xem v\u00e0o gi\u1ea3i n\u0103m v\u00e0 gi\u1ea3i s\u00e1u nh\u01b0 sau:
\n+ Gi\u1ea3i n\u0103m G6.3 xem l\u1ea1i gi\u1ea3i n\u0103m G3.4 r\u1ed3i sau \u0111\u00f3 ch\u00fang ta nh\u00ecn xu\u1ed1ng gi\u1ea3i s\u00e1u G3.3 nh\u01b0 ng\u00e0y 17\/10 th\u00ec ch\u00fang ta s\u1ebd c\u00f3 s\u1ed1 1, 9 v\u00e0 5. C\u00e1ch n\u00e0y th\u01b0\u1eddng s\u1eed d\u1ee5ng cho k\u00e8o l\u00f4 t\u00f4 b\u1ea1ch th\u1ee7 n\u1ebfu gi\u1ea3i n\u0103m G3.4 trung kh\u1edbp s\u1ed1 v\u1edbi gi\u1ea3i 6 G3.3 th\u00ec ch\u00fang ta s\u1ebd l\u1ea5y con s\u1ed1 \u1edf kh\u1ecfang gi\u1eeda l\u00e0 t\u00e2m \u0111i\u1ec3m c\u01b0\u1ee3c l\u00ean ph\u00eda tr\u00ean hay c\u01b0\u1ee3c xu\u1ed1ng ph\u00eda d\u01b0\u1edbi ch\u01a1i theo khung n\u0103m ng\u00e0y th\u00ec s\u1ebd r\u1ea5t an to\u00e0n, tr\u01b0\u1eddng h\u1ee3p \u0111\u00e1nh nh\u1ea7m khung ba ng\u00e0y th\u00ec c\u0169ng t\u1ea1m \u0111\u01b0\u1ee3c nh\u00e9. Nh\u01b0ng n\u1ebfu k\u1ebft qua kh\u00f4ng tr\u00f9ng kh\u1edbp nhau ch\u00fang ta s\u1ebd l\u1ecdc ra \u0111\u01b0\u1ee3c hai s\u1ed1 l\u00e0 19 v\u00e0 15.<\/p>\nLo\u1ea1i h\u00ecnh: B\u1eaft l\u00f4 b\u1ea1ch th\u1ee7 ch\u1ea1m hai nh\u00e1y.<\/strong><\/h2>\n
Lo\u1ea1i h\u00ecnh ki\u1ec3u n\u00e0y c\u0169ng kh\u00e1 \u0111\u01a1n gian kh\u00f4ng ph\u1ee9c t\u1ea1p cho l\u1eafm, ch\u00fang ta s\u1ebd \u0111\u1ec3 \u00fd n\u1ebfu h\u00f4m qua v\u1ec1 c\u1eb7p l\u00f4 n\u00e0o hai nh\u00e1y th\u00ec h\u00f4m sau ch\u00fang ta s\u1ebd \u0111\u00e1nh l\u00f4 ch\u1eb7n \u0111\u1ea7u \u0111u\u00f4i c\u1ee7a nh\u00e1y v\u1ec1 h\u00f4m qua.
\nV\u00ed d\u00fa cho c\u00e1c anh ch\u1ecb em d\u1ec5 hi\u1ec3u nh\u01b0 v\u1eady n\u00e8: N\u1ebfu h\u00f4m qua v\u1ec1 2 c\u1eb7p 21 th\u00ec ng\u00e0y h\u00f4m nay ch\u00fang ta s\u1ebd \u0111\u00e1nh ch\u1eb7n \u0111\u1ea7u \u0111u\u00f4i c\u1ee7a nh\u00e1y v\u1ec1 h\u00f4m qua l\u00e0 20 v\u00e0 22.
\nKi\u1ec3u n\u00e0y th\u00ec ch\u00fang ta r\u1ea5t d\u1ec5 v\u01b0\u1ee3t gi\u1edbi h\u1ea1n nh\u01b0ng \u0111\u00e2y c\u0169ng l\u00e0 lo\u1ea1i h\u00ecnh kh\u00e1 hi\u1ec7u qu\u1ea3 \u0111\u1ea5y ch\u1ee9 h\u1ea3. Ch\u00fang ta n\u00ean \u00e1p d\u1ee5ng r\u1ed3i h\u1ee3p nh\u1ea5t c\u00e1c ki\u1ec3u l\u1ea1i \u0111\u1ec3 h\u1ed7 tr\u1ee3 qua l\u1ea1i cho t\u1ed5ng c\u00e1c c\u00e1ch \u0111\u00e1nh c\u01b0\u1ee3c nh\u00e9.<\/p>\nLo\u1ea1i h\u00ecnh: B\u1eaft l\u00f4 b\u1ea1ch th\u1ee7 tr\u00f9ng c\u1eb7p<\/strong><\/h2>\n
Khi ch\u01a1i ki\u1ec3u n\u00e0y ch\u00fang ta s\u1ebd xem l\u00ean gi\u1ea3i 2 (G1), n\u1ebfu nh\u01b0 ch\u00fang ta th\u1ea5y k\u1ebft qu\u1ea3 xu\u1ea5t hi\u1ec7n ki\u1ec3u tr\u00f2n \u0111\u1ea7u tr\u00f2n \u0111u\u00f4i v\u00ed d\u1ee5 l\u00e0 26404 t\u1ee9c d\u1ea1ng l\u00f4 ra ki\u1ec3u c\u00f3 c\u1eb7p 040, th\u00ec ch\u00fang ta s\u1ebd kh\u00f4ng c\u01b0\u1ee3c v\u00e0o l\u00f4 040 m\u00e0 ch\u00fang s\u1ebd ch\u01a1i k\u00e8o l\u00f4 264 cho khung kho\u1ea3ng 3 ng\u00e0y. C\u00e1ch n\u00e0y s\u1eed d\u1ee5ng khi c\u00e1c k\u1ebft qu\u1ea3 c\u1ee7a gi\u1ea3i 2 c\u00f3 ki\u1ec3u \u0111\u1ea7u du\u00f4i tr\u00f2n th\u00ec ch\u00fang ta s\u1ebd \u0111\u00e1nh c\u01b0\u1ee3c v\u00e0o c\u1eb7p kh\u00f4ng \u0111\u00e2u v\u00e0o \u0111\u00e2u nh\u00e9.
\nTh\u00eam tr\u01b0\u1eddng h\u1ee3p n\u1eefa l\u00e0 n\u1ebfu nh\u00e1y v\u1ec1 ki\u1ec3u 48888 hay l\u00e0 88884 th\u00ec ch\u00fang ta s\u1ebd \u0111\u00e1nh c\u01b0\u1ee3c l\u00f4 04 v\u00e0 40. C\u00f2n lo\u1ea1i h\u00ecnh c\u00f3 d\u1ea1ng 33848 hay l\u00e0 84338 th\u00ec ch\u00fang ta c\u01b0\u1ee3c v\u00e0o l\u00f4 32 v\u00e0 34. Khi \u00e1p d\u1ee5ng ki\u1ec3u n\u00e0y ch\u00fang ta s\u1ebd r\u1ea5t d\u1ec5 gi\u00e0nh chi\u1ebfn th\u1eafng v\u00e0 \u0111\u01b0\u1ee3c l\u00e3i v\u1edbi k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n hai l\u00f4 tr\u00ean m\u1ed9t \u0111\u00f4i.<\/p>\nLo\u1ea1i h\u00ecnh: B\u1eaft b\u1ea1ch th\u1ee7 l\u00f4 \u0111\u01b0\u1eddng th\u1eb3ng<\/strong><\/h2>\n
Ch\u00fang ta s\u1ebd xem gi\u1ea3i ba (G2.3 v\u00e0 G4.3) c\u00f9ng v\u1edbi gi\u1ea3i s\u00e1u G2.2 th\u00ec ch\u00fang ta s\u1ebd c\u00f3 t\u1ed5ng k\u1ebft qu\u1ea3 l\u00e0 ba s\u1ed1 4,3,3 b\u1eb1ng 10. Nh\u01b0 th\u1ebf ch\u00fang ta s\u1ebd ch\u1ecdn \u0111\u01b0\u1ee3c c\u1eb7p l\u00f4 l\u00e0 101.<\/p>\n<\/div>\n
<\/div>\n\nLo\u1ea1i h\u00ecnh: B\u1eaft l\u00f4 b\u1ea1ch th\u1ee7 tam gi\u00e1c \u0111\u1ec1u<\/strong><\/h2>\n
Ch\u00fang ta s\u1ebd nh\u00ecn v\u00e0o gi\u1ea3i m\u1ed9t v\u00e0 s\u1ed1 gi\u1eefa c\u00f9ng v\u1edbi gi\u1ea3i ba G4.1 v\u00e0 G6.5. V\u00ed nh\u01b0 ki\u1ec3u ng\u00e0y h\u00f4m nay ch\u00fang ta ra k\u1ebft qu\u1ea3 c\u00f3 ba s\u1ed1 t\u00e1m v\u00e0 7,7 . Ch\u00fang ta l\u1ea5y s\u1ed1 t\u00e1m l\u00e0m t\u00e2m v\u00e0 s\u1ebd ra \u0111\u01b0\u1ee3c c\u1eb7p 787. Nh\u1eadn \u0111\u1ecbnh c\u00f9ng s\u1ed1 7 s\u1ebd r\u1ea5t d\u1ec5 ra nh\u00e9. Ho\u1eb7c ch\u1ecdn \u0111\u00e1nh l\u00f4 b\u1ea1ch th\u1ee7 87 cho khung 5 ng\u00e0y nh\u00e9.<\/p>\n
Lo\u1ea1i h\u00ecnh: B\u1eaft l\u00f4 b\u1ea1ch th\u1ee7 t\u1ee9 qu\u00fd v\u00e0 ng\u0169 qu\u00fd<\/strong><\/h2>\n
\u00c1p d\u1ee5ng lo\u1ea1i h\u00ecnh nay khi c\u1eb7p s\u1ed1 c\u00f3 4 d\u1ea1ng tr\u00f9ng nhau c\u1ee7a 1 gi\u1ea3i trong t\u1ea5t c\u1ea3 27 gi\u1ea3i<\/p>\n
K\u1ebft lu\u1eadn<\/strong><\/h2>\n
Sau b\u00e0i vi\u1ebft n\u00e0y th\u00ec ch\u00fang ta c\u0169ng c\u00f3 th\u1ec3 tham gia c\u00e1ch b\u1eaft b\u1ea1ch th\u1ee7 l\u00f4 ch\u00ednh x\u00e1c nh\u1ea5t hi\u1ec7n nay r\u1ed3i ph\u1ea3i kh\u00f4ng n\u00e0o. H\u00e3y nh\u1edb l\u00e0 \u0111\u0103ng k\u00fd t\u1ea1i nh\u00e0 c\u00e1i s\u1ebd \u0111\u01b0\u1ee3c nhi\u1ec1u \u01b0u \u0111\u00e3i h\u1ea5p d\u1eabn khi ch\u01a1i c\u00e1c k\u00e9o nh\u00e9 anh em. May m\u1eafn.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
khu v\u1ef1c ch\u1ed1t s\u1ed1 si\u00eau v\u00edp<\/b><\/span><\/h1>\n