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Calcudoku puzzles

My database includes 18223 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 8. 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.

620819 puzzles downloaded.

84*
18+
128*
12+
42*
9+
13+
240*
3-
72*
11+
1-
120*
42*
16+
8/
1-
7+
9+
2*
20*
160*
16+
Showing puzzle number: 12000
Puzzletype: Plus,Minus,Multiply,Divide
Startnumbers: 64
Difficulty: Difficult ()
Solution methods: SPC SMC SSB SSL ROP RP RCPL RSNA DC
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