亮亮家要给一个长0.75m宽0.5m高1.6m的简易衣柜换布罩如图没有底面至少要用布多少平方米?

2025-05-11 07:06:27
推荐回答(1个)
回答1:

0.75×0.5+0.75×1.6×2+0.5×1.6×2
=0.375+2.4+1.6
=4.375平方米