Killer Sudoku with all operators in TwoDoku format

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.
(click to download or right-click to save the image!)

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killer sudoku books
To see the solution to this puzzle click here
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2 Comments

  1. Scott Urman
    Posted February 2, 2010 at 9:52 pm | Permalink

    Neat! Keep the variations coming! (All of these will just have to delay my finishing the puzzles in the books…) 😉

  2. Anne Powell
    Posted February 3, 2010 at 8:26 pm | Permalink

    More please – that was great!

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