Revision history of "2009 Polish Mathematical Olympiad Third Round"

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  • (cur | prev) 17:08, 4 July 2022Zielik (talk | contribs). . (2,070 bytes) (+2,070). . (Created page with "==Day 1== ===Problem 1=== Each of the vertices of a convex hexagon is a center of a circle of radius equal to the not longer side of the hexagon which includes that vertex. Pr...")