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What number goes to the question mark?
1) Nr 1**/*****
You can check your solution here
2) Nr 2**/*****
You can check your solution here
3) Nr 3**/*****
You can check your solution here
New puzzles are published at least twice a month on Fridays. Solutions are published after one or more weeks. You are welcome to remark on the difficulty level of the puzzles, discuss alternate solutions, and so on. Puzzles are rated on a scale of 1 to 5 stars.
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