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Calcudoku puzzles

My database includes 5650 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 7. 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.

105*
24*
12*
40*
3-
12*
4410*
12+
7+
90*
5040*
5-
4-
17+
56*
4+
Showing puzzle number: 2205
Puzzletype: Plus,Minus,Multiply
Startnumbers: 49
Difficulty: Difficult ()
Solution methods: SPC SSB SSL ROP RP RSNA DC
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