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三个奇数的和是奇数对吗?

更新时间: 2021-02-12 19:10:00     

1、不能被2整除的整数叫奇数,也叫单数,如1、3、5、7、9、……。当把奇数分成若干个2时,最后不能分尽,总是要剩下一个。因为奇数+奇数=偶数,奇数+偶数=奇数,所以偶数个奇数的和是偶数,奇数个奇数的和是奇数。

2、因此,三个奇数的和是奇数,是对的。

关键词: 奇数

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