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Matematica E Simpla • View topic - Probleme de ciclul primar (2)

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bogdan98nitu
 Post subject: Probleme de ciclul primar (2)
PostPosted: Mon Dec 08, 2008 2:19 pm 
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Joined: Mon Dec 01, 2008 3:20 pm
Posts: 14
Location: Ialomita-Ograda
Enunt:
La o expozitie cu vanzare, un pictor primeste pe un tablou 35000 lei. Cu trei sferturi din banii castigati pe 5 tablouri face cumparaturi pentru fiii sai.
Cati lei au costat cumparaturile?
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Sergiu
 Post subject: Re: Probleme de ciclul primar (2)
PostPosted: Mon Dec 08, 2008 8:11 pm 
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Joined: Wed Oct 22, 2008 6:27 pm
Posts: 29
Rezolvare:
Pictorul primeste pe un tablou 35000 lei.
Pictorul primeste pe 5 tablouri 5 * 35000 lei, adica ...
Trei sferturi din banii pe cele 5 tablouri = 3/4 * ...

Deci, cumparaturile au costat ...
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