| a+b |
| 九d |
| 1 |
| 14 |
| 2 |
| 3 |
| 1 |
| 2 |
| 1 |
| 6 |
| 0 |
| 4 |
| 0 |
| 七 |
| 4 |
| 5 |
| 3 |
| 7 |
| 3 |
| 4 |
| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 3×4 |
| 1 |
| 4×5 |
| 1 |
| 1×2 |
| 1 |
| 2 |
| 1 |
| 2×3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3×4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 4×5 |
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 3×4 |
| 1 |
| 4×5 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 5 |
| 4 |
| 5 |
| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 3×4 |
| 1 |
| 2011×2012 |
| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 3×4 |
| 1 |
| n(n+1) |
| n |
| n+1 |
| n |
| n+1 |
| 1 |
| 2×4 |
| 1 |
| 4×6 |
| 1 |
| 6×8 |
| 1 |
| 2010×2012 |
| 5 |
| 6 |
| 3 |
| 4 |
| 7 |
| 15 |
| 2 |
| 3 |
| 1 |
| 2 |
| 1 |
| 5 |
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 4 |
| 1 |
| 12 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 4 |
| 2 |
| 13 |
| 26 |
| 3 |
| 1 |
| 2 |
| 5 |
| 6 |
| 1 |
| 6 |
| 1 |
| 3 |
| 1 |
| 2 |
| 3 |
| 4 |
| 7 |
| 8 |
| 3 |
| 16 |
| 5 |
| 8 |
| 7 |
| 4 |
| 1 |
| 32 |
| 5 |
| 2 |
| 28 |
| 5 |
| 5 |
| 14 |