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0是有理数吗
更新时间: 2021-04-23 01:19:56  

1、0是有理数,有理数是整数(正整数、0、负整数)和分数的统称,是整数和分数的集合。

2、有理数集可以用大写黑正体符号Q代表。但Q并不表示有理数,有理数集与有理数是两个不同的概念。有理数集是元素为全体有理数的集合,而有理数则为有理数集中的所有元素。

关键词: 有理数

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