Art of Problem Solving

1991 IMO Problems: Revision history

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30 January 2021

  • curprev 16:3516:35, 30 January 2021 Hamstpan38825 talk contribs 2,733 bytes +2,733 Created page with "Problems of the 1991 IMO. ==Day I== ===Problem 1=== Given a triangle <math> \,ABC,\,</math> let <math> \,I\,</math> be the center of its inscribed circle. The internal bi..."