-3.610.75+0.613分之4+(-0.2)*3分之4

分类: 作业答案 • 2021-12-28 15:39:58

问题描述：

-3.61*0.75+0.61*3分之4+(-0.2)*3分之4

答

-3.61*0.75+0.61*3/4+(-0.2)*3/4
=（-3.61+0.61-0.2）*0.75
=2.8*0.75
=2.1

-3.61*0.75+0.61*3分之4+(-0.2)*3分之4