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653至少加上几是三的倍数
更新时间: 2020-10-31 00:00:00  

至少加上1。因为654能被3整除。倍数是一数学名词,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。倍数=因数乘以y。

关键词: 至少 加上 倍数

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