Puzzle Detail
Online Mathdoku Online 9×9 Mathdoku — Set 3
| 5= | 2- | 2= | 22+ | 5- | 7= | |||
| 3- | 8=8 | 1= | 7= | 7+ | ||||
| 3= | 180x | 2/ | 6= | |||||
| 16+ | 5= | 3 | 9= | 19+ | ||||
| 360x | 5+ | 13+ | ||||||
| 2= | 12+ | 1=1 | 6= | |||||
| 4 | 3/ | 3528x | 3= | 5= | 4- | 1= | ||
| 15+ | 8 | 576x | 4- | 9+ | ||||
| 20+1 | 2= | 14+ |
Show solution
| 5 | 4 | 1 | 9 | 2 | 6 | 8 | 3 | 7 |
| 6 | 3 | 2 | 5 | 8 | 9 | 1 | 7 | 4 |
| 3 | 8 | 9 | 4 | 5 | 7 | 6 | 1 | 2 |
| 7 | 1 | 5 | 3 | 6 | 4 | 9 | 2 | 8 |
| 8 | 5 | 7 | 2 | 4 | 1 | 3 | 6 | 9 |
| 2 | 9 | 3 | 1 | 7 | 8 | 4 | 5 | 6 |
| 4 | 2 | 6 | 7 | 9 | 3 | 5 | 8 | 1 |
| 9 | 7 | 8 | 6 | 1 | 5 | 2 | 4 | 3 |
| 1 | 6 | 4 | 8 | 3 | 2 | 7 | 9 | 5 |
Solver Notes
Play our 9x9 mathdoku online — an interactive puzzle engine lets you enter numbers, get real-time error feedback, and check the solution whenever you are ready.
Do I need to sign up to play 9x9 mathdoku online?
No — all online mathdoku puzzles on Freemathdoku.com are free to play with no account or download needed.
Are there hints for online 9x9 mathdoku?
Yes — click the Hint button to reveal a single cell when you get stuck.
Can I also print the 9x9 mathdoku?
Yes — every online puzzle has a Print button that generates a clean PDF version with solution.