1-x/x-2+2-1/2-x解方程要过程,_数学解答

1-x/x-2+2-1/2-x解方程要过程,

人气：499 ℃　时间：2020-05-24 08:42:52

解答

(1-x)/(x-2)+2-1/(2-x)
=[(1-x)+2(x-2)+1]/(x-2)
=(1-x+2x-4+1)/(x-2)
=(x-2)/(x-2)
=1