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You’re on the beach. Sun on your skin, feet in the sand, waves crashing in the distance. Your mind begins to wander, and it wanders towards a math problem you once saw many weeks ago, but never had the time to think about. You want to understand the solution, but not because you have to. Beach Math represents these kinds of problems. Problems done for fun, and problems which show that math is not just useful, but enjoyable!
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Arndt et al. (2024) studied this question.
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