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9分之8减9分之2等于几分之2
更新时间: 2020-07-09 00:00:00  

思路如下:分数相减,当分母相同而分子不同时,所得差中,分母与被减数、减数分母相同,分子为被减数分子与减数分子的差。

方法如下:

1、用8减去2,可得6,即所得差的分子为6。

2、所得差的分母为与被减数、减数的分母相同,即为9。

3、将九分之六的分子分母同时除以3,即结果为三分之二。

关键词: 分之 等于

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