6.34 -2.5*1.8+2.6 简算

分类: 作业答案 • 2022-05-06 14:29:26

问题描述：

6.34 -2.5*1.8+2.6 简算
要式子.

答

6.34 -2.5*1.8+2.6
=6.34 -2.5*1.8+2.5+0.1
=6.34 -2.5*(1.8-1)+0.1
=6.34 -2.5*0.8+0.1
=6.44 -2
=4.44