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luni, 29 septembrie 2025

Erdem Balkan, Geometria Super Top, https://www.facebook.com/photo?fbid=24484846594549583&set=gm.2065417674228591&idorvanity=830782544358783

 


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F.B. page of Erdem Balkan, https://www.facebook.com/photo?fbid=24428580853509491&set=a.949297615197812

 My solution courtesy of Master Alin Pop solution to the nice lemma used for this purpose attached: