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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 cartilor

Sunt trei rafturi, in fiecare raft nu incap decat 3 carti.
Daca fiecare dintre titluri este desemnata printr-o cifra de la 1 la 9, putem spune ca:

  • Pe primul raft (cel de jos) se afla cartea cu numarul 9 prima si cartea cu numarul 7 ultima.
  • Pe un raft cartile nu sunt puse in ordinea numerelor desemnate
  • Suma numerelor date primelor carti de pe cele trei rafturi este 15, iar pe raftul al doilea se afla cel mai mic numar desemnat pentru prima carte de pe acel raft.
  • Suma numerelor date cartilor de pe raftul nr 2 este chiar numarul desemnat pentru ultima carte de pe raftul al treilea.

    Cerinte:
    1. Care este ordinea numerelor desemnate pentru cartile aflate pe cele trei rafturi?


    Rezolvarea problemelor se va posta pe Forumul Harry Potter



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