简算5.650.875+9/85.35-0.875*0.9

分类: 作业答案 • 2021-12-19 19:14:14

问题描述：

简算5.65*0.875+9/8*5.35-0.875*0.9

答

5.65*0.875+9/8*5.35-0.875*0.9
=0.875*（5.65-0.9）+(1+0.125)*5.35
=0.875*4.75+5.35+0.125*5.35
=4.15625+5.35+0.66875
=10.175

简算5.65*0.875+9/8*5.35-0.875*0.9