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miercuri, 2 februarie 2022

Angel Silva Palacios, Training Geometry Olympiad, https://www.facebook.com/photo?fbid=751647145795479&set=a.169982140628652


IMO Vientam Team Selection, 2006

 

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Nice problem, lost source, again

 Today I saw an old problem on fb geometry sites, with a very nice solution bearing the inconfoundable signature of Master Hasan Ata; attach...