Kakuro: sum 15 in 2 cells
A sum of 15 in 2 cells can be made 2 ways.
| Combination | Digit set |
|---|---|
| 6 + 9 | 69 |
| 7 + 8 | 78 |
What this tells you
- There are 2 possibilities, so this clue alone does not decide the digits. Use crossing runs and any known cells to eliminate combinations.
- Digits that can never appear: 1, 2, 3, 4, 5. You can remove them from every cell of the run.
Related sums
The digits left out of each combination form a combination for the mirror run: sum 30 in 7 cells.