Calcudoku: 4×4 6×6 9×9 10×10 7×7 Killer Sudoku Sudoku Level: EasyMediumDifficult EasyMediumDifficult Difficult Difficult Extra MediumDifficult EasyMedium
 6 Jul 2012 Today (solution tomorrow) Rating:        Points: 8     Solved 78 times so far , last by
abcdefgh
1
10+
240×
168×

15+

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

3-

1
2
3
1 mod

5+
1-

3 :
4

4-
2 mod
48×

3-

5

4-

3 mod

6

5+
7
3
1-

21+

7
2 mod

7+
1 mod

7+

7 mod
8

2

7

Note: this puzzle also uses the modulo operator mod
a mod b = r means that when dividing a by b, the remainder is r. For example, 5 mod 2 = 1, and 3 mod 5 = 3.
Look here for some more explanations.

total
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