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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.

5426988 puzzles downloaded.

2-
12*
48*
40*
3
18*
30*
40*
12*
30*
18*
8*
20*
6
4-
Showing puzzle number: 130381
Puzzletype: Minus,Multiply
Startnumbers: 36
Difficulty: Medium ()
Solution methods: SC SPC SMC SSB ROP RP RCPL RSNA
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