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Calcudoku puzzles

My database includes 4597 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row and every column contains the digits 1 through 9. Each box must also be calculated according to number and operator. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

2166868 puzzles downloaded.

9*
5-
18*
48*
2-
6
56*
8+
120*
8
13+
16+
15+
20+
5/
22+
12*
280*
11+
6*
29+
2688*
108*
90*
13+
1-
3-
14+
567*
Showing puzzle number: 2400
Puzzletype: Plus,Minus,Multiply,Divide
Startnumbers: 81
Difficulty: Impossible ()
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