题目列表(包括答案和解析)
| 2 |
| x |
| x |
| x-3 |
|
| 6 |
| 5 |
| 6 |
| 5 |
| 2 |
| x2+x |
| x |
| x-1 |
| x |
| x-1 |
| x2 |
| (x-1)2 |
| 4x |
| x-1 |
| x |
| x-1 |
| x |
| x-1 |
| x |
| x-1 |
| x |
| x-1 |
| 2x |
| x-1 |
| 4x |
| x-1 |
|
| x |
| x-1 |
| 2x-2 |
| x |
| x |
| x-1 |
| 2 |
| y |
| y-6 |
| y-6 |
| A、1个 | B、2个 | C、3个 | D、4个 |
| 2x-1 |
| x |
| 2x-1 |
| x |
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