2.5×0.14+0.025×960+0.5×1.3的简便计算

问题描述:

2.5×0.14+0.025×960+0.5×1.3的简便计算
急,
1个回答 分类:数学 2014-12-10

问题解答:

我来补答
=2.5x0.14+2.5x9.6+2.5x1.3÷5
=2.5x(0.14+9.6+0.26)
=2.5x(0.4+9.6)
=2.5x10
=25
希望能帮你忙,懂了请采纳,
 
 
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