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82问答网 > 有一个人行道宽六米，长90米，用面积是四平方分米的正方形地砖补人行道需要多少块？ ’

有一个人行道宽六米，长90米，用面积是四平方分米的正方形地砖补人行道需要多少块？ ’

2025-01-06 23:14:21

推荐回答（4个）

回答1：

6×90=540m²=54000平方分米。

54000÷4=13500块

希望能够帮到你，谢谢采纳！

回答2：

面积是四平方分米的正方形边长是2分米=0.2米，6÷0.2=30，90÷0.2=450，所以需要30×450=13500块

回答3：

S=6X90=540平方米，540/0.04=13500块

回答4：

6*90=540
540/0.4=135块

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