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减数和被减数应该怎么区分
更新时间: 2021-03-06 13:58:23  

1、被减数-减数=差

2、被减数在前,减数在后。

3、比如a-b,a是被减数,b是减数。被减数就是指这个数的整体被减去了一部分,减去的这个部分就是减数。所以减号前面的数是被减去的,为被减数;减号后面的数是指要减去多少,就是减数。

关键词: 减数 被减数 应该 怎么 区分

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