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Calcudoku:4×45×56×67×79×97×7Killer SudokuSudoku
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30 Apr 2012   Show solution   Rating:
 ()
Points: 9 (solved 160 time(s) so far)
12+

70×

13+

2 :

6-

2-

16+

1-

6+

11+








10+
1 :

8+
1-

7+


12×




2 mod
4

279936^

3^


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

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This type of puzzle is known as Calcudoku, Newdoku, Rekendoku, MathDoku, Kashikoku-Naru, KenKen, Kendoku, Sumdoku, Calkuro, K-Doku, Keen, NekNek, CanCan, Square Wisdom, Emono, Minuplu, LatinCalc, Yukendo, ArithmeGrid, Hitoshii, Inky, SquareLogic, TomTom, and if you know of any other names, let me know :-). Of these names, "KenKen" and "KenDoku" are trademarks of Nextoy LLC. Note that this is a hobby site, and is not affiliated with Nextoy nor their brands.
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Many more Sudoku variations are at Planet Sudoku.