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sâmbătă, 8 ianuarie 2022

Binh Luc, Training Geometry Olympiad, https://www.facebook.com/photo/?fbid=2744416309192869&set=gm.613388303254820


 

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Mi Prepa, https://www.facebook.com/photo?fbid=1427344626075511&set=a.575642501245732

  Mi Prepa, https://www.facebook.com/photo?fbid=1427344626075511&set=a.575642501245732 In the interior of triangle ABC having ...