34.58.23-34.5+0.277345简算

分类: 作业答案 • 2021-12-28 10:55:35

问题描述：

34.5*8.23-34.5+0.277*345简算

答

34.5*8.23-34.5+0.277*345
=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+0.277*345简算