已知a/b=c/d,那么（a+2b)/(2a-b)=

题目详情

▼优质解答

答案和解析

a/b=c/d ==> a = (c/d)*b (a+2b) / (2a - b) = [(c/d)*b +2b] / [2* (c/d)*b -b] = [(c/d) + 2] / [ 2*(c/d) -1] = (c + 2d) / (2c - d)

看了已知a/b=c/d,那么（a...的网友还看了以下：