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2015 UMO Problems/Problem 3: Revision history

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6 November 2015

  • curprev 01:5701:57, 6 November 2015 Timneh talk contribs 312 bytes +312 Created page with "==Problem == Find, with proof, all positive integers <math>n</math> with <math>2\le n\le 20</math> such that the greatest common divisor of the coefficients of <math>(x+y)^n-..."
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