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31除以2怎么算
更新时间: 2021-04-12 08:36:14  

31除以2的计算公式是:

39÷2=19.5

先算3除以2得出1余1,再把个位19除以2得出9余5

这个除法算式可以用以下几种方式描述:

1、2除39等于19.5

2、39除以2等于19.5

3、39被2除等于19.5

关键词: 除以 怎么

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