问题 填空题
化简:
x2-4x+4
x-1
÷(x-2)+
1
x-1
=______.
答案

x2-4x+4
x-1
÷(x-2)+
1
x-1
=
(x-2)2
x-1
1
x-2
+
1
x-1
=
x-2+1
x-1
=1.故答案为1.

单项选择题
单项选择题