34.58.23-34.5+27.73.45简便算法

分类: 作业答案 • 2022-01-23 10:51:21

问题描述：

34.5*8.23-34.5+27.7*3.45简便算法

答

34.5*8.23-34.5+27.7*3.45
=34.5*8.23-34.5+2.77*34.5
=34.5*（8.23-1+2.77）
=34.5*10
=345

34.5*8.23-34.5+27.7*3.45简便算法