K\u00e8o ch\u1ea5p n\u1eeda tr\u00e1i (k\u00e8o ch\u1ea5p 0.5 hay \u00bd tr\u00e1i)<\/em><\/strong><\/h3>\n\n\n\n\u0110\u1ed1i v\u1edbi k\u00e8o ch\u1ea5p 1\/2<\/strong> th\u00ec \u0111\u1ed9i c\u1eeda tr\u00ean s\u1ebd ch\u1ea5p \u0111\u1ed9i c\u1eeda d\u01b0\u1edbi n\u1eeda tr\u00e1i. N\u1ebfu \u0111\u1ed9i c\u1eeda tr\u00ean th\u1eafng tr\u1eadn \u0111\u1ea5u \u0111\u00f3 th\u00ec h\u1ecd th\u1eafng k\u00e8o v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Trong tr\u01b0\u1eddng h\u1ee3p tr\u1eadn \u0111\u1ea5u k\u1ebft th\u00fac v\u1edbi t\u1ef7 s\u1ed1 h\u00f2a th\u00ec \u0111\u1ed9i c\u1eeda d\u01b0\u1edbi ch\u00ednh l\u00e0 \u0111\u1ed9i th\u1eafng c\u01b0\u1ee3c. L\u01b0u \u00fd, c\u00e1ch \u0111\u1ecdc k\u00e8o b\u00f3ng tr\u00ean m\u1ea1ng<\/strong> n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i k\u00e8o ch\u1ea5p 1.5, 2.5. 3.5 \u2026 n.5 tr\u00e1i.<\/p>\n\n\n\n K\u00e8o ch\u1ea5p n\u1eeda m\u1ed9t (k\u00e8o ch\u1ea5p \u00be, 0.75 hay 0.5\/1 tr\u00e1i)<\/em><\/strong><\/h3>\n\n\n\nK\u00e8o 0.5-1 l\u00e0 g\u00ec<\/strong>? Lo\u1ea1i k\u00e8o n\u00e0y ch\u00ednh l\u00e0 k\u00e8o ch\u1ea5p n\u1eeda m\u1ed9t hay \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u l\u00e0 \u00be hay 0.75. \u0110\u1ed1i v\u1edbi lo\u1ea1i k\u00e8o n\u00e0y, \u0111\u1ed9i c\u1eeda tr\u00ean s\u1ebd ch\u1ea5p \u0111\u1ed9i c\u1eeda d\u01b0\u1edbi n\u1eeda m\u1ed9t. T\u1ee9c l\u00e0, n\u1ebfu \u0111\u1ed9i c\u1eeda tr\u00ean th\u1eafng \u0111\u1ed9i c\u1eeda d\u01b0\u1edbi v\u1edbi t\u1ef7 s\u1ed1 c\u00e1ch bi\u1ec7t t\u1ed1i thi\u1ec3u l\u00e0 2 b\u00e0n th\u00ec m\u1edbi th\u1eafng k\u00e8o. Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed9i c\u1eeda tr\u00ean ch\u1ec9 th\u1eafng v\u1edbi c\u00e1ch bi\u1ec7t 1 b\u00e0n th\u00ec ch\u1ec9 th\u1eafng \u0111\u01b0\u1ee3c n\u1eeda ti\u1ec1n v\u00e0 \u0111\u1ed9i c\u1eeda d\u01b0\u1edbi m\u1ea5t n\u1eeda ti\u1ec1n c\u01b0\u1ee3c. N\u1ebfu 2 \u0111\u1ed9i k\u1ebft th\u00fac tr\u1eadn \u0111\u1ea5u v\u1edbi t\u1ef7 s\u1ed1 h\u00f2a ho\u1eb7c \u0111\u1ed9i c\u1eeda d\u01b0\u1edbi th\u1eafng tr\u1eadn th\u00ec \u0111\u1ed9i c\u1eeda d\u01b0\u1edbi th\u1eafng k\u00e8o. C\u00e1ch \u0111\u1ecdc k\u00e8o b\u00f3ng \u0111\u00e1 tr\u00ean m\u1ea1ng<\/strong> n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng t\u01b0\u01a1ng t\u1ef1 \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i k\u00e8o ch\u1ea5p sau: (1,5 \u2013 2); (2,5 \u2013 3); (3,5 \u2013 4);\u2026 (n,5 \u2013 n+1).<\/p>\n\n\n\nK\u00e8o h\u00f2a (k\u00e8o 1)<\/em><\/strong><\/h3>\n\n\n\n\u0110\u1ed1i v\u1edbi k\u00e8o 1, \u0111\u1ed9i c\u1eeda tr\u00ean s\u1ebd ph\u1ea3i ch\u1ea5p \u0111\u1ed9i kh\u00e1ch 1 tr\u00e1i. C\u00f3 ngh\u0129a l\u00e0, n\u1ebfu \u0111\u1ed9i c\u1eeda tr\u00ean th\u1eafng tr\u1eadn \u0111\u1ea5u v\u1edbi t\u1ef7 s\u1ed1 c\u00e1ch bi\u1ec7t t\u1ed1i thi\u1ec3u 2 b\u00e0n th\u00ec h\u1ecd th\u1eafng k\u00e8o. N\u1ebfu \u0111\u1ed9i c\u1eeda tr\u00ean th\u1eafng v\u1edbi c\u00e1ch bi\u1ec7t 1 b\u00e0n th\u00ec s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 h\u00f2a k\u00e8o. Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed9i c\u1eeda d\u01b0\u1edbi th\u1eafng ho\u1eb7c k\u1ebft th\u00fac v\u1edbi t\u1ef7 s\u1ed1 h\u00f2a th\u00ec h\u1ecd s\u1ebd th\u1eafng c\u01b0\u1ee3c.<\/p>\n\n\n\n