0.87×100.01 1.25×0.025×2×0.5×0.32 简便计算

问题描述:

0.87×100.01 1.25×0.025×2×0.5×0.32 简便计算
1个回答 分类:数学 2014-10-20

问题解答:

我来补答
0.87×100.01
=0.87×100+0.87×0.01
=87+0.0087
=87.0087
1.25×0.025×2×0.5×0.32
=﹙1.25×0.8﹚×﹙0.025×0.4﹚×﹙2×0.5﹚
=1×0.01×1
=0.01
 
 
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