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How to solve Videos Forum Timed Rankings Books Specials Print 21 Aug 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 6 × 6, Rating: ★★★  Points: 7     Solved 456 times
Calcudoku twin  -  these two puzzles have the same solution

abcdef
1 
12+

22+

3-

2 

3 :



48×
3 
6+

16+
2-


4 





5 
18+


2-

2-
6 






abcdef
1 
12+

36×

40×

2 

10+
1-


240×
3 



2-


4 

1-


2-

5 
120×

11+


10+
6 






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


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