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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.

1067575 puzzles downloaded.

16*
14+
105*
27+
11+
4*
13+
12+
3-
3240*
6
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56*
3-
2/
16+
10+
60*
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48*
162*
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4536*
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Showing puzzle number: 456
Puzzletype: Plus,Minus,Multiply,Divide
Startnumbers: 81
Difficulty: Medium ()
Solution methods: SC SPC SMC SSB SSL ROP RP RCPL RSNA
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