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通分和约分要用到什么
更新时间: 2021-05-03 14:01:04  

1、通分和约分要用到分数的基本性质。

2、分数的基本性质是:分数的分子和分母同时乘以或除以一个相同的且不为零的数,分数的大小不变。

3、约分:约分是分式约分,把一个分数的分子、分母同时除以公因数,分数的值不变。

4、通分:根据分数(式)的基本性质,把几个异分母分数(式)化成与原来分数(式)相等的同分母的分数(式)的过程,叫做通分。

关键词: 约分 什么

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