题目列表(包括答案和解析)
| 1 |
| 2 |
| x |
| x-1 |
| 3 |
| (x-1)(x+2) |
|
| 18 |
| 1 |
| 2 |
| 2 |
| x2-1 |
| x2-2x+1 |
| x2-2x |
| x-2 |
| 1 |
| 2 |
|
|
| 2m |
| m2-9 |
| m+3 |
| m2+6m+9 |
| 2 |
| 2x-1 |
| 5 |
| 1-2x |
| 2 |
| x+1 |
| x2-x |
| x |
| x2-2x+1 |
| 1 |
| x |
|
| 1 | ||
|
| 12 |
| 1 |
| 2 |
|
| 3x |
| x-1 |
| x |
| x+1 |
| x |
| x2-1 |
| 2 |
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