题目内容
化简：(
-
)•
| 2x |
| x2-4 |
| 1 |
| x-2 |
| x+2 |
| x-1 |
原式=
•
=
•
=
．
| 2x-(x+2) |
| (x+2)(x-2) |
| x+2 |
| x-1 |
=
| x-2 |
| (x+2)(x-2) |
| x+2 |
| x-1 |
=
| 1 |
| x-1 |
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相关题目
题目内容
| 2x |
| x2-4 |
| 1 |
| x-2 |
| x+2 |
| x-1 |
| 2x-(x+2) |
| (x+2)(x-2) |
| x+2 |
| x-1 |
| x-2 |
| (x+2)(x-2) |
| x+2 |
| x-1 |
| 1 |
| x-1 |