首页 > 经验 > 作者:YD1662025-04-25 10:32:04
一块长方形菜地,长8米,宽5米。菜地四周围上篱笆,篱笆长多少米?(8+5)×2=26(米) 如果菜地一触答面靠墙,篱笆至少长多少米?8+5×2=18(米)
Copyright © 2018 - 2021 www.yd166.com., All Rights Reserved.