(2m-4/3-m)/(m+2-m-2/5)

分类: 作业答案 • 2022-01-18 22:40:22

问题描述：

答

(2m-4/3-m)/(m+2-m-2/5)
=(2m-m-4/3)/(m-m+2-2/5)
=(m-4/3)/(8/5)
=(m-4/3)×(5/8)
=5m/8-5/6