Răspunsuri

2014-03-03T22:55:35+02:00
A/b=6; a+b= 63 => b=-63-a ;
a=6b ; a= 6 (63-a) => a=378-6a
a+6a=378 ;
7a=378 => a=378/7 = 54;
b=63-54=9.
a=54 si b=9.