| x2-2x+1 |
| x2-x |
| 3 |
| x |
| x+2 |
| x |
| x+2 |
| x |
| a2 |
| a-1 |
| 1 |
| a-1 |
| a2-4 |
| a+2 |
| 4 |
| m-上 |
| m上 |
| 上-m |
| 1 |
| 1×3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3×5 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| 5×7 |
| 1 |
| 2 |
| 1 |
| 5 |
| 1 |
| 7 |
| 1 |
| 1×3 |
| 1 |
| 3×5 |
| 1 |
| 5×7 |
| 3 |
| 7 |
| 3 |
| 7 |
| 1 |
| 1×3 |
| 1 |
| 3×5 |
| 1 |
| 5×7 |
| 1 |
| (2n-1)(2n+1) |
| n |
| 2n+1 |
| n |
| 2n+1 |
| 4 |
| x2-1 |
| A |
| x-1 |
| B |
| x+1 |
| 1 |
| x-1 |
| 1 |
| x-1 |
| x |
| x-1 |
| IR |
| n |
| nE |
| R+nr |
| nE |
| R+nr |
| 1 |
| x+3 |
| x2+3x+3 |
| x+3 |
| x2+3x+3 |
| x+3 |
| y |
| y2-x2 |
| 1 |
| y+x |
| x |
| y2-x2 |
| x |
| y2-x2 |