0.48/(5.2-4.6)*0.8简算

分类: 作业答案 • 2021-12-19 21:32:44

问题描述：

答

0.48/(5.2-4.6)*0.8
=0.48/0.6*0.8
=0.8*0.8=0.64
0.48/((5.2-4.6)*0.8)
=0.48/(0.6*0.8)
=0.48/0.48
=1