Math puzzles and games
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A collection of old and new problems, puzzles, games, and diversions based on probability, geometry, number patterns, magic squares, and the laws of physics.
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the long version
A collection of old and new problems, puzzles, games, and diversions based on probability, geometry, number patterns, magic squares, and the laws of physics.
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"A collection of old and new problems, puzzles, games, and diversions based on probability, geometry, number patterns, magic squares, and the laws of physics."
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