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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 de matematica a d-lui Ollivader

D-l Ollivander isi face inventarul baghetelor.

Dupa o numaratoare meticuloasa, i-au iesit cu 10 baghete mai putine decat acum 2 ani, dar cu 4 mai mult decat acum un an.

Daca din baghetele pe care le avea anul trecut, ar fi vandut jumatate cu cate un galeon, iar din baghetele de acum 2 ani, ar fii vandut tot jumatate si tot cu un galeon, suma incasata ar fi fost de 1507 galeoni.

Cerinte:
1. Cate baghete i-au iesit d-lui Olivander la inventar anul acesta?

2. Explicati rationamentul.

Raspunsul se va posta pe forum: [aici].



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