Kakuro: sum 17 in 3 cells
A sum of 17 in 3 cells can be made 7 ways.
| Combination | Digit set |
|---|---|
| 1 + 7 + 9 | 179 |
| 2 + 6 + 9 | 269 |
| 2 + 7 + 8 | 278 |
| 3 + 5 + 9 | 359 |
| 3 + 6 + 8 | 368 |
| 4 + 5 + 8 | 458 |
| 4 + 6 + 7 | 467 |
What this tells you
- There are 7 possibilities, so this clue alone does not decide the digits. Use crossing runs and any known cells to eliminate combinations.
- Every digit from 1 to 9 appears in at least one combination, so there is nothing to exclude outright.
Related sums
The digits left out of each combination form a combination for the mirror run: sum 28 in 6 cells.