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How to solve Videos Forum Timed Rankings Books Specials Print 26 Jun 2017
Easy:
4×4
5×5
6×6
7×7
Killer
Sudoku
Medium:
4×4
6×6
7×7
Sudoku
Difficult:
4×4
5×5
6×6
9×9
Extra
Difficult 7 × 7, Rating: ★★★★★  Points: 9     Solved 267 times
abcdefg
1 
1^

0 mod

11+
42×

2 

1-

3 :



3 
11+



0-
72×

4 
1-

16+




5 



14+

0-

6 
315×

2

1^

12+
7 
6


1

2

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.

Note: this puzzle also uses the exponentiation operator ^
Example: 2^3 = 2 x 2 x 2 = 8
Or, with three digits: 2^4^2 = 2^(4^2) = 2^16 = 65536
Note: evaluation is right to left

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


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