題目列表(包括答案和解析)
| 3 | ||
|
| 1 |
| 2 |
| 3 |
| 3-x |
| 2x-4 |
| 5 |
| x-2 |
| x |
| x-y |
| y2 |
| x+y |
| x4y |
| x4-y4 |
| x2 |
| x2+y2 |
| 5 |
| 2x+3 |
| 3 |
| x-1 |
| x |
| x+2 |
| x+2 |
| x-2 |
| 8 |
| x2-4 |
| a2 |
| b |
| b2 |
| a |
| b |
| a |
| 3-x |
| 2x-4 |
| 5 |
| x-2 |
| 5 |
| 2x+3 |
| 3 |
| x-1 |
| x |
| x+2 |
| x+2 |
| x-2 |
| 8 |
| x2-4 |
| 3x |
| x-1 |
| x |
| x+1 |
| x2-1 |
| x |
| 1 |
| 3 |
| 1 |
| 2 |
| 2(x+1) |
| 3 |
| 5(x+1) |
| 6 |
| 6 | ||
|
| 18 |
| 2 |
| 3a2 |
|
| 1 |
| 2 |
|
| 2 | ||
|
| 27 |
| 3 |
|
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