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三分之一减三分之二等于多少

更新时间: 2020-09-24 00:00:00     

1、根据算数规则,一个大数减去一个小数所得为负数;

2、根据分数运算法则,两个分数相减,分母相同,只减分子即可,所得结果,分母不变;

3、三分之一减三分之二,分母相同,只减分子,分母不变,所以结果为负三分之一。

关键词: 分之 二等 多少

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