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How to solve Videos Forum Timed Rankings Books Specials Print 13 Dec 2017
Easy:
4×4
5×5
Sudoku
Medium:
4×4
5×5
6×6
7×7
8×8
Killer
Sudoku
Difficult:
4×4
5×5
7×7
Extra
Medium 8 × 8, Rating: ★★  Points: 7     Solved 341 times
Calcudoku twin  -  these two puzzles have the same solution

abcdefgh
1 
26+

18×

5
0-

5+
2 


18+



1-

3 
2
168×


10+


960×
4 




2-



5 
15×

3
17+

19+


6 


448×



12+
7 
11+



1-



8 

96×


7


abcdefgh
1 
256×
48×

14+

588×

2
2 


35×

4+
1-


3 



5 :


240×

4 
21×


20+


8
5 

17+

7


19+

6 



16+
6
8+


7 
420×



27+

0-

8 








total
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