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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.

2301070 puzzles downloaded.

13+
80*
24*
2/
6*
5
4-
270*
504*
26+
360*
20+
10+
1960*
288*
32+
3-
24+
9+
8
12*
30+
12+
9/
2
15+
10+
Showing puzzle number: 1557
Puzzletype: Plus,Minus,Multiply,Divide
Startnumbers: 81
Difficulty: Impossible ()
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