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个位上是4的两位数一共有几个

更新时间: 2020-10-28 00:00:00     

个位上是4的两位数一共有9个,个位数是相对于整数的进位制表示而言的,在十进制表达中,如果在个位左边没有出现非零数码,则称这个整数为个位数。

整数(integer)是正整数、零、负整数的集合。整数的全体构成整数集,整数集是一个数环。在整数系中,零和正整数统称为自然数。

关键词: 个位 位数 共有

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