題目列表(包括答案和解析)
| a2 |
| x |
| b2 |
| y |
| (a+b)2 |
| x+y |
| a |
| x |
| b |
| y |
| 2 |
| x |
| 9 |
| 1-2x |
| 1 |
| 2 |
| a2 |
| x |
| b2 |
| y |
| (a+b)2 |
| x+y |
| a |
| x |
| b |
| y |
| 2 |
| x |
| 9 |
| 1-2x |
| 1 |
| 2 |
| a2 |
| x |
| b2 |
| y |
| (a+b)2 |
| x+y |
| a |
| x |
| b |
| y |
| 2 |
| x |
| 9 |
| 1-2x |
| 1 |
| 2 |
|
| a2 |
| x |
| b2 |
| y |
| (a+b)2 |
| x+y |
| a |
| x |
| b |
| y |
| 2 |
| x |
| 9 |
| 1-2x |
| 1 |
| 2 |
| a2 |
| x |
| b2 |
| y |
| (a+b)2 |
| x+y |
| a |
| x |
| b |
| y |
| 2 |
| x |
| 9 |
| 1-2x |
| 1 |
| 2 |
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