简便计算:10.75+0.4-9.473=()

分类: 作业答案 • 2022-01-09 18:01:51

问题描述：

答

10.75+0.4-9.473
=10+0.75+0.4-(10-0.527)
=10+0.75+0.4-10+0.527
=1.15+0.527
=1.677