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For questions requesting examples of a certain structure or phenomenon

6 votes

An example of a beautiful proof that would be accessible at the high school level?

Here is one that I like and used it for different purposes, e.g. introduction to proofs, algebraic thinking, beauty, and so one. Shuffle a deck of cards. Divide it into two halves. Magic: The number o …
Amir Asghari's user avatar
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