0.79×0.18+0.79×36+0.79×0.44怎么巧算?

问题描述:

0.79×0.18+0.79×36+0.79×0.44怎么巧算?
1个回答 分类:数学 2014-11-13

问题解答:

我来补答
0.79×0.18+0.79×36+0.79×0.44
=0.79×(0.18+36+0.44)
=0.79×(36+0.62)
=28.9298
 
 
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