Τετάρτη 14 Νοεμβρίου 2018
Κυριακή 11 Νοεμβρίου 2018
Tournament of Towns: Problem Archives Toronto
Tournament of Towns: Problem Archives: Tournament of Towns is a mathematical competition of international standards. While preserving the best Olympiad traditions, it has aquired a character of its own. Its held four times a year in cities around the world. And Toronto is one of them.
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