⑴ 63X40-40X3绠渚挎柟娉曚笉浼氾纻
镙规嵁棰樻剰锛屽圭畻寮忚繘琛岀亩渚胯＄畻锛屽备笅锛40脳锛63-3锛=40脳60=2400阃氲繃璁＄畻锛屽緢绠渚跨殑灏卞缑鍑虹瓟妗堜负2400銆
⑵ 45x3 48x3 48x2 濡备綍鐢ㄧ亩渚挎柟娉曡＄畻锛
娌℃湁绠渚跨殑璁＄畻鏂规硶锛屽彧鑳界洿鎺ヨ＄畻锛屾寜镦т箻娉旷殑杩愮畻娉曞垯渚濇¤＄畻寰楀埌鐩稿簲镄勭粨鏋溿