因数和倍数练习题
以下是小编收集整理的因数和倍数练习题,本文共4篇,欢迎阅读与借鉴。 倍数和因数练习题 一、填空题 1、根据算式25×4=100,( )是( )的因数,( )也是( )的因数;( )是( )的倍数,( )也是( )的倍数。 2、一个质数有( )个因数,一个合数最少有( )个因数。 3、在1—20的自然数中,奇数有( ),偶数有( )质数有( ),合数
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