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4多少等于4分之1
更新时间: 2020-09-20 00:00:00  

“比”是由一个前项和一个后项组成的除法算式,比的前项相当于分数的分子和被除数,比的后项相当于分数的分母和除数,比号相当于除号和分数线,数字与数字的比可以写成分数形式。

前项和后项同时乘,乘的因数要相同,前项和后项同除以,除以的数也相同。乘、除都把零除外,而比值的大小不变更。十六是四的四倍,所以四比十六,等于一比四,又等于四分之一。

关键词: 多少 等于 分之

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