4.64.6+0.46+460.53 巧算

分类: 作业答案 • 2022-05-21 10:49:34

问题描述：

4.6*4.6+0.46+46*0.53 巧算

答

4.6*4.6+0.46+46*0.53
= 46*0.46+46*0.01+46*0.53
= 46*(0.46+0.01+0.53)
= 46*1
= 46

4.6*4.6+0.46+46*0.53 巧算