(1) 3/4x-1/2=1/3 (2) 1/4x-1/9x=25_数学解答

(1) 3/4x-1/2=1/3 (2) 1/4x-1/9x=25

人气：126 ℃　时间：2020-02-05 22:34:09

解答

3/4x-1/2=1/3
3/4x=1/2+1/3
3/4x=5/6
x=(4/3)*(5/6)
x=10/9
1/4x-1/9x=25
9/36x-4/36x=25
5/36x=25
x=25*(36/5)
x=180