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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.

1977478 puzzles downloaded.

2-
6-
54*
2-
30*
288*
9+
19+
3-
64*
9+
4+
162*
21+
8/
756*
13+
2/
60*
17+
144*
16+
14*
280*
2/
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18*
Showing puzzle number: 653
Puzzletype: Plus,Minus,Multiply,Divide
Startnumbers: 81
Difficulty: Impossible ()
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