| 1 |
| x+2 |
| 4x |
| x2-4 |
| 2 |
| x-2 |
| 1 |
| x+2 |
| 4x |
| (x+2)(x-2) |
| 2 |
| x-2 |
| 右 |
| x+1 |
| x |
| x右-1 |
| 1-x |
| 右-x |
| 1 |
| x-右 |
| 1 |
| 1×3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3×一 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 一 |
| 1 |
| 一×7 |
| 1 |
| 2 |
| 1 |
| 一 |
| 1 |
| 7 |
| 1 |
| 17×19 |
| 1 |
| 2 |
| 1 |
| 17 |
| 1 |
| 19 |
| 1 |
| 1×3 |
| 1 |
| 3×一 |
| 1 |
| 一×7 |
| 1 |
| 7×9 |
| 1 |
| 17×19 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 一 |
| 1 |
| 17 |
| 1 |
| 19 |
| 9 |
| 19 |
| 1 |
| 1×3 |
| 1 |
| 3×一 |
| 1 |
| 一×7 |
| 1 |
| 11×13 |
| 1 |
| 11×13 |
| 1 |
| (28-1)(28+1) |
| 1 |
| (28-1)(28+1) |
| 1 |
| x(x+2) |
| 1 |
| (x+2)(x+4) |
| 1 |
| (x+8)(x+10) |
| 一 |
| 24 |
| 1 |
| x-3 |
| x-4 |
| 3-x |
| x+4 |
| x-1 |
| 4 |
| x2-1 |
| 1 |
| a-2 |
| 1 |
| a+2 |
| 2a |
| a2-4a+4 |
| x2-2x+1 |
| x2-1 |
| x-1 |
| x2+x |
| j |
| x2-2x |
| j |
| x2-4x+4 |
| 2 |
| x2-2x |
| x-3 |
| x-2 |
| 3 |
| 2-x |
| 34-2 |
| 4+u |
| m |
| 4+u |
| 54-3 |
| 4+2 |
| m |
| 4+2 |
| a4+b |
| 4+c |
| m |
| 4+c |
| 44-3 |
| 4-u |
| x+1 |
| x2+x-2 |
| 3 |
| x+2 |
| ||
| 2 |
| 1 |
| x-1 |
| 2x |
| x+1 |
| 6 |
| x+b |
| x+5 |
| x(x+b) |
| x |
| x2-x |
| 2x |
| x+1 |
| x |
| 2x-3 |
| 5 |
| 3-2x |