Revision history of "2001 USAMO Problems/Problem 5"

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• (cur) (prev) 06:38, 21 December 2008 Minsoens (Talk | contribs) (523 bytes) (New page: == Problem == Let <math>S</math> be a set of integers (not necessarily positive) such that (a) there exist <math>a,b \in S</math> with <math>\gcd(a,b) = \gcd(a - 2,b - 2) = 1</math>; (b...)

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