| 1 |
| x-2 |
| 1 |
| x+2 |
| x2-4 |
| x |
| 4 |
| x |
| 4 |
| x |
| y2 |
| 6x |
| y |
| 3x |
| y |
| 2 |
| y |
| 2 |
| a-2 |
| a-b |
| 2a-3 |
| a-b |
| 地y2 |
| 3x |
| 2 |
| x2y |
| 1 |
| 3 |
| 5n |
| 1sms |
| 3n3 |
| 4m |
| 5 |
| 9mns |
| 5 |
| 9mns |
| ms-3m |
| 9-ms |
| m |
| m+3 |
| m |
| m+3 |
| h |
| 4 |
| h |
| 9 |
| h |
| h6 |
| h |
| 05 |
| h |
| 36 |
| h |
| 49 |
| h |
| 64 |
| h |
| xh |
| h |
| h00 |
| hh |
| 00 |
| hh |
| 00 |
| 1 |
| 5 |
| 4 |
| 5 |
| 1 |
| 2二 |
| x+小 |
| 小-x |
| x |
| x-小 |
| x+小 |
| x2 |
| x+小 |
| x2 |
| b |
| f |
| b |
| fb |
| b |
| f2 |
| ff2 |
| f2-f |
| ff2 |
| f2-f |
| 3 |
| x |