Răspuns:
4c.....8p...48lei /×3
7c.....3p...29lei /×8
---------------------
12c...24p...144lei
56c...24p... 232lei
-------------------------- scădem
44c..../......88lei=> 1creion =2 lei
Ne ducem in prima ecuatie: 4×2...8p....48 lei
8p=40lei=> 1 pix= 5lei
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Răspuns:
4c.....8p...48lei /×3
7c.....3p...29lei /×8
---------------------
12c...24p...144lei
56c...24p... 232lei
-------------------------- scădem
44c..../......88lei=> 1creion =2 lei
Ne ducem in prima ecuatie: 4×2...8p....48 lei
8p=40lei=> 1 pix= 5lei