17.68/5.2+2.7*1.5

分类: 作业答案 • 2022-01-18 09:21:13

问题描述：

17.68/5.2+2.7*1.5

答

17.68/5.2+2.7*1.5
=(3.4*5.2)/5.2+(2.7*1.5*2/2)
=3.4+(2.7*3/2)
=3.4+4.05
=7.45