| x2 |
| x+1 |
| 1 |
| x+1 |
| x2 |
| x-y |
| y2 |
| y-x |
| 1 |
| q×3 |
| 1 |
| q |
| 1 |
| 3 |
| 1 |
| 3×4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| n(n+1) |
| 1 |
| n |
| 1 |
| n+1 |
| 1 |
| n |
| 1 |
| n+1 |
| 1 |
| 1×q |
| 1 |
| q×3 |
| 1 |
| 3×4 |
| 1 |
| q00少×q010 |
| q00少 |
| q010 |
| q00少 |
| q010 |
| 1 |
| 1×q |
| 1 |
| q×3 |
| 1 |
| 3×4 |
| 1 |
| n(n+1) |
| n |
| n+1 |
| n |
| n+1 |
| a-图 |
| a+的 |
| 图a-7 |
| a+的 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 12 |
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 20 |
| 1 |
| 6 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 12 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 20 |
| 1 |
| 4 |
| 1 |
| 5 |
| 2 |
| (x+1)(x+3) |
| 2 |
| (x+3)(x+5) |
| 2 |
| (x+5)(x+7) |
| 2 |
| (x+2005)(x+2007) |
| 1 |
| x+1 |
| 2 |
| 1-x2 |
| x2+2xy+y2 |
| xy |
| x+y |
| y2 |
| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 3×w |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| w |
| 1 |
| w |
| 3 |
| w |
| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 3×w |
| 1 |
| 99×1中中 |
| 1 |
| 2×w |
| 1 |
| w×6 |
| 1 |
| 6×8 |
| 1 |
| 2n(2n+2) |
| 1中中1 |
| w中中8 |
| x |
| x-1 |
| 1 |
| 1-x |
| x+y |
| xy |
| x2-y2 |
| x2y2 |
| b |
| a-b |
| a |
| a-b |
| x2 |
| x+1 |
| 2x+1 |
| x+1 |