I don’t think I’ve ever posted a puzzle like this one. Yes it is essentially a Killer puzzle. Yes, it’s also an overlapping sudoku puzzle, Gattai-2 (TwoDoku). But it also has some similarity with Calcudoku puzzles, because you must use all four operators (+, -, *, /).
Killer TwoDoku with all ops for Tuesday, February 2, 2010 – Difficulty: BRAIN.
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2 Comments
Neat! Keep the variations coming! (All of these will just have to delay my finishing the puzzles in the books…) 😉
More please – that was great!