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八分之七和十二分之十一怎样通分

更新时间: 2020-07-11 00:00:00     

求出分母的最小公倍数,八与十二的最小公倍数为二十四,将八分之七分子分母同乘三,化为二十四分之二十一,同理,将十二分之一化为二十四分之二,这时两个分数就通分成为了同分母分数,就可对他们进行加减乘除运算了 。

关键词: 分之 十二分 怎样

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