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Calcudoku:4×45×56×68×89×910×106×6Killer SudokuSudoku
Level:EasyMediumDifficultEasyMediumDifficultEasyMediumDifficultMediumDifficultDifficultDifficultExtraEasyMediumMedium

The World's Hardest Calcudoku
can you solve it?
2 Apr 2013 Today
     Rating:  
     Solved 181 times so far
abcdefghi
1 
21+


60×


25+


  1  
Clear
  2  
Undo
  3  
Bold
  4  
 Pencil
  5  
  6  
  7  
  8  
  9  
2 

6-

11+

4-
13+


3 

8+
8

2

9
11+

4 
24+

13+

25+
3-


17+
5 


2



3


6 

1-
13+


1-

11+

7 
26+

1
16×
6
12+
7

25+
8 

1-


378×



9 









Note that now you have two days to solve this puzzle (submit before Thursday)

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