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0.8比12等于多少
更新时间: 2020-10-03 00:00:00  

解题过程:

方法一:

二分之一化为小数等于0.5,所以0.8比0.5等于8比5,即五分之八。

方法二:

1、0.8化为分数为五分之四,五分之四比二分之一即五分之四除以二分之一;

2、根据除以一个数等于乘以这个数的倒数的原理,二分之一的倒数等于二,所以算式可化为五分之四乘以二;

3、所得结果为五分之八。

关键词: 等于 多少

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