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42分之49约分后等于多少
更新时间: 2020-07-07 00:00:00  

42分之49可以约7,约分后等于6分之7。解析约分是分式约分,把一个分数的分子、分母同时除以公因数7,分数的值不变,这个过程叫约分。约分的依据:分数的基本性质。

关键词: 分之 约分 等于 多少

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