题目列表(包括答案和解析)
| y |
| x |
| 3 |
| x2 |
| 4 |
| y2 |
| 3 |
| x2 |
| 2 |
| 2y2 |
| 3 |
| x2 |
| 2-k |
| y2 |
| 3-k |
| 3 |
| 3 |
| x2 |
| a2 |
| y2 |
| (a+1)2 |
| 2 |
| 5 |
| y |
| x |
| 3 |
| x2 |
| 4 |
| y2 |
| 3 |
| x2 |
| 2 |
| 2y2 |
| 3 |
| x2 |
| 2-k |
| y2 |
| 3-k |
| 3 |
| 3 |
| x2 |
| a2 |
| y2 |
| (a+1)2 |
| 2 |
| 5 |
| A.①②③ | B.②③④ | C.①②③⑤ | D.①②④⑤ |
| x-1 |
| x+1 |
|
| f(x2)-f(x1) |
| x2-x1 |
| 1 |
| 7 |
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