36×25%+3.6×7.3简便

问题描述:

36×25%+3.6×7.3简便
1个回答 分类:数学 2014-11-11

问题解答:

我来补答
36×25%+3.6×7.3
=3.6×(2.5+7.3)
=3.6×9.8
=3.6×(10-0.2)
=36-0.72
=35.28
 
 
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