题目列表(包括答案和解析)
| x2 |
| 9 |
| y2 |
| 16 |
| π |
| 3 |
| 3 |
| 3 |
| C | n 2n |
| C | 0 n |
| C | 1 n |
| C | 2 n |
| C | n n |
| C | 0 n |
| C | 1 n |
| C | 2 n |
| C | n n |
| C | 0 n |
| C | n n |
| C | 1 n |
| C | n-1 n |
| C | 2 n |
| C | n-2 n |
| C | n n |
| C | 0 n |
| C | 0 n |
| C | 1 n |
| C | 2 n |
| C | n n |
| C | 0 n |
| C | 1 n |
| C | 2 n |
| C | n n |
| C | n 2n |
| C | 0 2n |
| C | 1 2n |
| C | 2 2n |
| C | 3 2n |
| C | 2n 2n |
| C | n 2n |
| C | n 2n |
| C | n2n |
| C | 0n |
| C | 1n |
| C | 2n |
| C | nn |
| C | 0n |
| C | 1n |
| C | 2n |
| C | nn |
| C | 0n |
| C | nn |
| C | 1n |
| C | n-1n |
| C | 2n |
| C | n-2n |
| C | nn |
| C | 0n |
| C | 0n |
| C | 1n |
| C | 2n |
| C | nn |
| C | 0n |
| C | 1n |
| C | 2n |
| C | nn |
| C | n2n |
| C | 02n |
| C | 12n |
| C | 22n |
| C | 32n |
| C | 2n2n |
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