[(5/8-0.625)*1000+3.6*25/9]/25/8简便计算

问题描述:

[(5/8-0.625)*1000+3.6*25/9]/25/8简便计算
1个回答 分类:数学 2014-10-02

问题解答:

我来补答
[(5/8-0.625)*1000+3.6*25/9]/25/8
=[(0.625-0.625)*1000+3.6*25/9]/25/8
=[0*1000+3.6*25/9]/25/8
=[3.6*25/9]/25/8
=0.4*25/25/8
=0.4/8
=0.1/2
=0.05
 
 
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