Question

a=?
b=?
(a,b)=4 (Adica CMMDC)
a+b=20

Answer 1

(a,b)=4=>a=4x, b=4y. a+b=20=>4x+4y=20=>4(x+y)=20=>x+y=5. exista posibilitatile1)x=1 si y=4=>a=4, b=16;; 2)x=2,y=3=>a=8,b=12;;3)x=3,y=2=>a=12,b=8;;4)x=4, y=1=>a=16,b=4