| 解方程． x+
| x-
|
|
| 7 |
| 10 |
| 8 |
| 9 |
| 7 |
| 10 |
| 7 |
| 10 |
| 8 |
| 9 |
| 7 |
| 10 |
| 17 |
| 90 |
| 3 |
| 7 |
| 1 |
| 2 |
| 3 |
| 7 |
| 3 |
| 7 |
| 1 |
| 2 |
| 3 |
| 7 |
| 13 |
| 14 |
| 4 |
| 5 |
| 3 |
| 8 |
| 4 |
| 5 |
| 3 |
| 8 |
| 3 |
| 8 |
| 4 |
| 5 |
| 3 |
| 8 |
| 3 |
| 8 |
| 4 |
| 5 |
| 3 |
| 8 |
| 17 |
| 40 |
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