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2014-03-05T12:47:28+02:00
Gai + r + gas = 148;
gai= 29 + r;
r = 19 + gas=> gas = r -19;
prima ecuatie devine 3r + 10 = 148 => 3r = 138 => r = 46 => gai = 75 si gas = 27;

Bafta!