题目内容
化简：
÷
| x2-2x+1 |
| x2-1 |
| x-1 |
| x2+x |
原式=
÷
=
•
=x．
| (x-1)2 |
| (x+1)(x-1) |
| x-1 |
| x(x+1) |
| (x-1)2 |
| (x+1)(x-1) |
| x(x+1) |
| x-1 |
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相关题目
题目内容
| x2-2x+1 |
| x2-1 |
| x-1 |
| x2+x |
| (x-1)2 |
| (x+1)(x-1) |
| x-1 |
| x(x+1) |
| (x-1)2 |
| (x+1)(x-1) |
| x(x+1) |
| x-1 |