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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.

2190159 puzzles downloaded.

6+
1-
26+
15+
315*
108*
4-
16+
108*
224*
13+
21*
3/
9
7+
45*
84*
252*
17+
1-
720*
7+
16+
3+
24*
22+
15+
10+
20+
3
Showing puzzle number: 3586
Puzzletype: Plus,Minus,Multiply,Divide
Startnumbers: 81
Difficulty: Very Difficult ()
Solution methods: SC SPC SMC SSB SSL ROP RP RCPL RSNA DC XW
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