0.752.7+720.075+0.075的简便计算

分类: 作业答案 • 2021-12-31 11:40:58

问题描述：

0.75*2.7+72*0.075+0.075的简便计算

答

0.75*2.7+72*0.075+0.075
=0.75*2.7+7.2*0.75+0.1*0.75
=0.75*(2.7+7.2+0.1)
=0.75*10
=7.5

0.75*2.7+72*0.075+0.075的简便计算