| x |
| x2 |
| d |
| x |
| d |
| x |
| 33+13 |
| 33+23 |
| 3+1 |
| 3+2 |
| 53+23 |
| 53+33 |
| 5+2 |
| 5+3 |
| a3+b3 |
| a3+(a-b)3 |
| a+b |
| a+(a-b) |
| 3a3b |
| -45a2b3 |
| a4-16 |
| 2a2b+8b |
| a2-4ab+4b2 |
| a4-8a2b2+16b4 |
| 25abc2 |
| 5a2bc |
| -h6xy2zh |
| h0yz2 |
| -5a5bc3 |
| 25a3bc4 |
| x2-2xy |
| x3-4x2y+4xy2 |
| a2-4 |
| a2-4a+4 |
| a5-少5 |
| a5-5a少+少5 |
| ma+mb+mc |
| a+b+c |
| a2-4ab+4b2 |
| a2-4b2 |