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miercuri, 24 noiembrie 2021

INMO 2021, problem 5, https://artofproblemsolving.com/community/c4t48f4h2719655_request_for_the_source


 

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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 ...