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Monede

 
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enescu
Thales


Joined: 20 May 2008
Posts: 171

PostPosted: Mon Oct 13, 2014 10:47 pm    Post subject: Monede Reply with quote

Asezam pe o masa dreptunghiulara monede identice, care nu se ating, pana cand nici o moneda nu mai poate fi asezata. Se constata ca au fost puse 100 de monede.

Sa se arate ca se pot aseza (plecand de aceeasi masa goala si, de data asta, putand suprapune monede) 400 de monede care sa acopere complet masa (orice punct aflat pe suprafata mesei sa fie acoperit de cel putin o moneda).
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