(x二次方+4/x-2)+4x/2-x化简或计算_数学解答

(x二次方+4/x-2)+4x/2-x化简或计算

人气：234 ℃　时间：2020-05-21 06:54:44

解答

(x²+4)/(x-2) + 4x/(2-x)
=(x²+4)/(x-2) - 4x/(x-2)
=(x²+4 - 4x)/(x-2)
=(x-2)²/(x-2)
=x-2