Art of Problem Solving

1971 IMO Problems/Problem 5: Revision history

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20 October 2013

  • curprev 11:2511:25, 20 October 2013 Elvis talk contribs 207 bytes +207 Created page with "Prove that for every natural number m; there exists a finite set S of points in a plane with the following property: For every point A in S; there are exactly m points in S which..."