Kakuro: sum 10 in 2 cells
A sum of 10 in 2 cells can be made 4 ways.
| Combination | Digit set |
|---|---|
| 1 + 9 | 19 |
| 2 + 8 | 28 |
| 3 + 7 | 37 |
| 4 + 6 | 46 |
What this tells you
- There are 4 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: 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 35 in 7 cells.