| x8+y8 |
| π-1 |
| x |
| 8 |
| xy |
| 8-x |
| 2x |
| x+1 |
| 5 |
| a |
| 2a |
| 3π |
| 2ab |
| 7 |
| b |
| 3 |
| 3 |
| x |
| x+y |
| u |
| 1 |
| 左-a |
| x |
| π-左 |
| 1 |
| x |
| 1 |
| 2 |
| x2+1 |
| 2 |
| 3 |
| x+y |
| 1 |
| m |
| 1 |
| a-1 |
| 4 |
| 3 |
| h |
| π |
| mp-np |
| m-n |
| apb-a |
| 5 |
| p |
| x+3 |
| a |
| 3 |
| n |
| 2m |
| 我 |
| 2π |
| a |
| b |
| a+b |
| 3 |
| y |
| 3 |
| 我 |
| z |
| x |
| π |
| 2 |
| x |
| m+n |
| m-n |
| x |
| 4 |
| 4b |
| 3a |
| 2a |
| 3 |
| 3 |
| 2x+y |
| x2-1 |
| 4 |
| x |
| 2 |
| 4 |
| x |
| a |
| 4 |
| 1 |
| x-y |
| 3x |
| 4 |
| 1 |
| 2 |
| 1 |
| a |
| m |
| m |
| x |
| y |
| 2h |
| π |
| 右5 |
| x+y |
| x+右 |
| x+右 |