352127加148减73的简便计算

问题描述:

352127加148减73的简便计算
记住是算试
1个回答 分类:数学 2014-10-19

问题解答:

我来补答
352127+148-73
=352127+148-100+27
=352127+48+27
=352127+50+30-2-3
=352207-5
=352202

352127+148-73
=352130+150-73-3-2
=352280-78
=352202
 
 
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