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luni, 14 februarie 2022

Geometria Top, Ahmet Cetin, https://www.facebook.com/photo/?fbid=4829364267179224&set=gm.1139463570157344


 

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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...