252=12×21
120=12×10
至少=21×10=210块
把一块长252厘米,宽120厘米长方形铁片载边长是整数厘米,面积都相等的正方形铁片,无剩,至少要多少块?
把一块长252厘米,宽120厘米长方形铁片载边长是整数厘米,面积都相等的正方形铁片,无剩,至少要多少块?
数学人气:716 ℃时间:2020-04-20 09:40:15
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