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51问答网 > 王晓芳有一张宽30厘米的长方形纸,她从这纸上裁下一个最大的正方形做小旗,剩下

王晓芳有一张宽30厘米的长方形纸,她从这纸上裁下一个最大的正方形做小旗,剩下

2025-03-15 02:51:56

推荐回答（4个）

回答1：

360÷30=12（厘米）
（12+30）×30
=42×30
=1260（cm²）
=0.126（m²）

回答2：

30×30等于900平方厘米900+360等于1260平方厘米。

回答3：

900+360=1260

回答4：

条件不够。你细心点好吗？

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