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0.78乘以98简便计算
更新时间: 2021-01-17 11:12:00  

1、0.78×98=0.78×(100-2)=0.78×100-0.78×2=78-1.56=76.44。

2、简便计算是一种特殊的计算,它运用了运算定律与数字的基本性质,从而使计算简便,使一个很复杂的式子变得很容易计算出得数。

关键词: 乘以 简便 计算

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