Question

daca (a,b)=15 a+b=180 aflati a si b

Answer 1

(a,b)=15 ==>a=x*15

                    b=y*15

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a+b=180 ==>x*15+y*15=180

(x,y)={(1,11);(2,10);(3,9);(4,8);(5,7);(6,6)}

==>(a,b)={(15,165);(30,150);(45,135);(60,120);(75,105);(90,90)}