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original mathematical recreations. If you
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|Math Magic Archive|
What are the shortest pairs of flash cards that evaluate to n in one order, and n+1 in the other order? What are the 3 shortest flash cards that have different cyclical orders to evaluate to n, n+1, and n+2?
For pairs A and B of flash cards, is it possible that the 4 orders AA, AB, BA, and BB evaluate to 4 consecutive integers? Is this sort of thing possible with larger numbers of flash cards?
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