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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.

5301873 puzzles downloaded.

36*
24*
4-
40*
12*
60*
6*
120*
144*
5*
3-
20*
6*
Showing puzzle number: 322045
Puzzletype: Minus,Multiply
Startnumbers: 36
Difficulty: Medium ()
Solution methods: SPC SMC SSB SSL ROP RP RSNA
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