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Probleme de logica: Ora provocarii magice
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Dovedeste-ti inteligenta si castiga puncte


Vrei sa castigi puncte pentru casa ta? Iata un alt mod de a o face: Problema bufnitelor

In turnul bufnitelor s-a inceput inventarierea acestor pasari mesager.
Filch, cel insarcinat cu aceasta activitate, si-a luat pana de scris si un mic pergament si s-a si pus pe treaba.
Bufnitele fiind agitate insa, lui Filch u-a fost foarte greu sa le numere. Este sigur insa ca numarul total de bufnite indeplineste conditiile:

  • este o putere a lui 2;
  • este un numar pitagoreic;
  • adunat cu un alt numar pitagoreic, da o cifra rotunda;
  • este mai mic decat 100;

    Cerinte:
    1. Cate bufnite se afla in turn?
    2. Scrieti o expresie matematica in care sa apara doar adunari si scaderi de numere patrate perfecte mai mici decat 100, al carei rezultat sa fie numarul gasit la punctul 1.


    Rezolvarea problemelor se va posta pe Forumul Harry Potter



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