Kh\u00e1m ph\u00e1 m\u1ecdi th\u00f4ng tin chi ti\u1ebft v\u1ec1 k\u00e8o c\u00e1 c\u01b0\u1ee3c trong b\u00f3ng \u0111\u00e1<\/figcaption><\/figure>\nNh\u1eefng k\u00e8o c\u00e1 c\u01b0\u1ee3c b\u00f3ng \u0111\u00e1 \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi l\u1ef1a ch\u1ecdn<\/b><\/h2>\n
Trong th\u1ebf gi\u1edbi k\u00e8o c\u00e1 c\u01b0\u1ee3c c\u00f3 v\u00f4 s\u1ed1 lo\u1ea1i h\u00ecnh th\u1ee9c ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 tha h\u1ed3 l\u1ef1a ch\u1ecdn. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u1ed5ng h\u1ee3p nh\u1eefng th\u00f4ng tin c\u1ea7n thi\u1ebft v\u1ec1 c\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay, gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang.<\/span><\/p>\nK\u00e8o c\u00e1 c\u01b0\u1ee3c ch\u00e2u \u00c2u<\/b><\/h3>\n
K\u00e8o ch\u00e2u \u00c2u (1×2) l\u00e0 h\u00ecnh th\u1ee9c ph\u1ed5 bi\u1ebfn nh\u1ea5t, \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i l\u1ef1a ch\u1ecdn \u0111\u1ec3 \u0111\u1eb7t c\u01b0\u1ee3c v\u00e0o k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng c\u1ee7a tr\u1eadn \u0111\u1ea5u. C\u00f3 ba kh\u1ea3 n\u0103ng k\u1ebft qu\u1ea3 cho m\u1ed9t tr\u1eadn \u0111\u1ea5u: \u0111\u1ed9i ch\u1ee7 nh\u00e0 th\u1eafng, hai \u0111\u1ed9i h\u00f2a nhau ho\u1eb7c \u0111\u1ed9i kh\u00e1ch th\u1eafng.<\/span><\/p>\n\n- Th\u1eafng (1): H\u00ecnh th\u1ee9c n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi ch\u01a1i \u0111\u1eb7t c\u01b0\u1ee3c tr\u1ef1c ti\u1ebfp v\u00e0o \u0111\u1ed9i m\u00e0 h\u1ecd tin r\u1eb1ng s\u1ebd gi\u00e0nh chi\u1ebfn th\u1eafng chung cu\u1ed9c. Th\u00f4ng th\u01b0\u1eddng, t\u1ef7 l\u1ec7 k\u00e8o \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng s\u1ed1 \u00e2m, v\u00ed d\u1ee5 nh\u01b0 -2.5.<\/span><\/li>\n
- H\u00f2a (x): Lo\u1ea1i n\u00e0y l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho nh\u1eefng ai tin r\u1eb1ng tr\u1eadn \u0111\u1ea5u s\u1ebd k\u1ebft th\u00fac v\u1edbi t\u1ef7 s\u1ed1 h\u00f2a.<\/span><\/li>\n
- Thua (2): \u0110\u00e2y l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho nh\u1eefng ai tin r\u1eb1ng \u0111\u1ed9i ch\u1ee7 nh\u00e0 s\u1ebd kh\u00f4ng th\u1ec3 gi\u00e0nh chi\u1ebfn th\u1eafng trong tr\u1eadn \u0111\u1ea5u. Th\u00f4ng th\u01b0\u1eddng, t\u1ef7 l\u1ec7 k\u00e8o cho k\u1ebft qu\u1ea3 thua \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng s\u1ed1 d\u01b0\u01a1ng, v\u00ed d\u1ee5 nh\u01b0 +2.5.<\/span><\/li>\n<\/ul>\n