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30:5和12:2的比例是多少
更新时间: 2021-02-26 13:40:46  

1、30:5的比值是6;12:2的比值也是6。

2、比值,即两数相比所得的值。a、b 两个同类量相除又可叫做比。被除数a比前项,比的后项除数b。除号相当于比号,除法的商称比值。非零两数去做比,能用分数来表示。分母它是比后项,比的前项乃分子。除法商成分数值,分数值也是比值。同类两量求比值,统一单位别忘记。比值它是一个数,结果不能是点比。

关键词: 比例 多少

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