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如果上天堂20厘米的正方形，地砖铺人行道，需要多少块这样的地砖才铺满
如果上天堂20厘米的正方形，地砖铺人行道，需要多少块这样的地砖才铺满
2025-03-15 14:44:02
推荐回答（1个）
回答（1）：
一条人行道长20米，宽4米，用边长为4分米的正方形地砖铺地，需要这样的地砖20*4/(0.4*0.4)＝500块，如果每块地砖18元，铺完这条人行道一共需要500*18＝9000元钱。
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