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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.

5
5+
16+
12+
13+
5+
1-
13+
14+
72*
180*
42*
540*
1-
245*
15+
360*
13+
144*
504*
20+
15+
8
18+
1280*
270*
72*
2-
9+
Showing puzzle number: 845
Puzzletype: Plus,Minus,Multiply
Startnumbers: 81
Difficulty: Difficult ()
Solution methods: SC SPC SMC SSB SSL ROP RP RCPL RSNA DC
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