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How to solve Videos Forum Timed Rankings Books Specials Print 20 Nov 2017
Easy:
4×4
5×5
6×6
Killer
Sudoku
Medium:
4×4
6×6
7×7
Sudoku
Difficult:
4×4
5×5
6×6
7×7
9×9
Extra
Difficult 9 × 9, Rating: ★★★★★  Points: 10     Solved 195 times
abcdefghi
1 
2
24+

162×
5-

19+
5
7+
2 
4






6-

3 
2-



28×

11+

13+
4 
9+
6
144×


12×

20+

5 

5

17+




11+
6 
120×

120×


7

8-

7 

672×


8
2-


4-
8 
19+


1-


11+


9 


1

45×

8

4
total
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Articles: the 10 Hardest Logic/Number Puzzles | The 7 Easiest Puzzles | Numerical Intelligence


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