x-1分之5x+3-1-x分之3x-11_数学解答

x-1分之5x+3-1-x分之3x-11

人气：390 ℃　时间：2020-04-13 19:35:07

解答

解
(5x+3)/(x-1)-(3x-11)/(1-x)
=(5x+3)/(x-1)+(3x-11)/(x-1)
=[(5x+3)+(3x-11)]/(x-1)
=(8x-8)/(x-1)
=8(x-1)/(x-1)
=8