51问答网 > 一间长8米.宽6米.高2.8的教室.需要粉刷四壁.已知门窗共12平方米,需要粉刷的面积有多少大？

一间长8米.宽6米.高2.8的教室.需要粉刷四壁.已知门窗共12平方米,需要粉刷的面积有多少大？

2025-03-15 10:14:01
推荐回答（3个）
回答1：

（8×2.8+6×2.8）×2-12
=66.4平方米

回答2：

114.4平方米

回答3：

墙面67

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