| x |
| x6 |
| 1 |
| x |
| 1 |
| x |
| y+2 |
| y2-4 |
| 1 |
| (&0bsp;&0bsp;) |
| 1 |
| 3-x |
| 6a2b |
| 8a3 |
| 3b |
| 4a |
| 3b |
| 4a |
| 8a5b |
| 6a3着 |
| 4b |
| 3a着 |
| 4b |
| 3a着 |
| 4xy2 |
| 6x2y |
| 2y |
| 3x |
| 2y |
| 3x |
| a+b |
| a2-b2 |
| 1 |
| a-b |
| 1 |
| a-b |
| 4xy2 |
| 2yx2y |
| y |
| 5x |
| y |
| 5x |
| 12xy3 |
| -9x2y2 |
| 4y |
| 3x |
| 4y |
| 3x |
| m2-m |
| 1-m |
| 5ab |
| 20a2b |
| 0 |
| 4a |
| 0 |
| 4a |
| x2-0 |
| x2-2x+0 |
| x+0 |
| x-0 |
| x+0 |
| x-0 |
| 2x-2 |
| 0-x2 |
| 2 |
| 0+x |
| 2 |
| 0+x |
| 6 |
| 2a-4 |
| 6 |
| 2a-4 |