| 1 |
| a |
| z |
| π |
| 3abc |
| 4 |
| 5 |
| 6+x |
| x |
| 7 |
| 10 |
| y |
| 4x |
| 3 |
| 4 |
| x+y |
| x2+2 |
| π+1 |
| 5 |
| 8 |
| 1 |
| m |
| 1 |
| x |
| 5+y |
| π |
| 1 |
| a |
| 1 |
| x |
| a-b |
| 2 |
| x2+y3 |
| x |
| x |
| 3 |
| 1 |
| m |
| 1 |
| 2 |
| a+b |
| 3 |
| x+3 |
| x |
| a |
| π |
| x+y |
| x-y |
| 1 |
| a |
| 1 |
| 3小 |
| m |
| π |
| 小b |
| 5 |
| 1 |
| x-y |
| 2 |
| x |
| 1 |
| 2 |
| a2b2 |
| 4 |
| 1 |
| a+5 |
| m+a |
| 5 |
| x |
| 3 |
| 3a-5 |
| 2 |
| x |
| x+y |
| m-n |
| m+n |
| x2+2x+1 |
| x2-2x+1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 2 |
| 3 |
| 2 |
| 4 |
| 3 |
| 4 |
| 3 |
| a2 |
| a |
| a2 |
| a |
| a2 |
| a |