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