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2和5的倍数是多少

更新时间: 2020-10-31 00:00:00     

有无数个倍数,例如10、20、30、40、50、60等。倍数是指一个数和一整数的乘积。

针对两个数a和b,若存在一整数n使得b=na,则b是a的倍数;若a不为零,也就表示b/a为一整数,其除法可以整除,没有余数。2的倍数,也称为偶数。若a和b都是整数,b是a的倍数,则a是b的因数。

关键词: 倍数 多少

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