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Calcudoku puzzles

My database includes 449198 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 6. 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.

3759876 puzzles downloaded.

6*
24*
5*
18*
4*
3-
36*
24*
240*
20*
10*
144*
45*
Showing puzzle number: 426520
Puzzletype: Minus,Multiply
Startnumbers: 36
Difficulty: Easy ()
Solution methods: SPC SMC SSB
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