用简便算法43136/137+13659/137+70*68/137=?

分类: 作业答案 • 2022-02-20 21:17:21

问题描述：

用简便算法
43*136/137+136*59/137+70*68/137=?

答

43*136/137 136*59/137 70*68/137=43*136/137 136/137*59 35*136/137=136/137*(43 59 35)=136/137*137=136

用简便算法43*136/137+136*59/137+70*68/137=?