Question

(a,b)=12 știind ca a+b=60. ?????

Answer 1

a=12x   b=12y     12(x+y) =60     x+y =5     (x=0, y=5, a=0, b= 60);   (x=1, b=4 a=12, b=48);  (x=2, y=3, a=24, b=36);