问题
填空题
化简
|
答案
•x2-1 x2-2x+1
+x-1 x2+x 2 x
=
•(x+1)(x-1) (x-1)2
+x-1 x(x+1) 2 x
=
+1 x 2 x
=
．3 x
故答案为：
．3 x
搜题请搜索小程序“爱下问搜题”
化简
|
•x2-1 x2-2x+1
+x-1 x2+x 2 x
=
•(x+1)(x-1) (x-1)2
+x-1 x(x+1) 2 x
=
+1 x 2 x
=
．3 x
故答案为：
．3 x