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2023 USAMO Problems/Problem 4: Revision history

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2 April 2023

  • curprev 20:3720:37, 2 April 2023 Renrenthehamster talk contribs 820 bytes +820 Created page with "==Problem== A positive integer <math>a</math> is selected, and some positive integers are written on a board. Alice and Bob play the following game. On Alice's turn, she must..."
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