| 0.01-0.03x |
| 0.02 |
| x-3 |
| 2 |
| 2x2 |
| x+y |
| |x-2| |
| x-2 |
| |x-1| |
| 1-x |
| a2-3 |
| -2-a |
| a2-3 |
| a+2 |
| a2-3 |
| a+2 |
| 1.3x-1 |
| 2x-0.7y |
| 13x-10 |
| 20x-7y |
| 13x-10 |
| 20x-7y |
| ||||
|
| 4x+3y |
| 4x-3y |
| 4x+3y |
| 4x-3y |
| x |
| 2 |
| y |
| 3 |
| z |
| 4 |
| 2x+y-z |
| 3x-2y+z |
| 3 |
| 4 |
| 3 |
| 4 |
| 它.人x-它.5y |
| x+人.5y |
| x-5y |
| 人它x+人5y |
| x-5y |
| 人它x+人5y |
| a |
| b |
| a个+b个 |
| ab |
| 19 |
| 3 |
| 19 |
| 3 |
| a |
| a2+b2 |
| 1 |
| 3 |
| 1 |
| 3 |