Kakuro: sum 7 in 2 cells
A sum of 7 in 2 cells can be made 3 ways.
| Combination | Digit set |
|---|---|
| 1 + 6 | 16 |
| 2 + 5 | 25 |
| 3 + 4 | 34 |
What this tells you
- There are 3 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: 7, 8, 9. 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 38 in 7 cells.
Sum 7 is also possible in 3 cells.