Răspuns :
Explicație pas cu pas:
(ab,120) au divizorul 6?
ab:6
b=0,2,4,6,8
a+b=3,6,9
a=(3,6,9)-(0,2,4,6,8)
a={3,1;6,4,0;9,7,5,3,1}
a={1,3,4,5,6,7,9}
ab={12,36,42,54,60,72,90}
Explicație pas cu pas:
(ab,120) au divizorul 6?
ab:6
b=0,2,4,6,8
a+b=3,6,9
a=(3,6,9)-(0,2,4,6,8)
a={3,1;6,4,0;9,7,5,3,1}
a={1,3,4,5,6,7,9}
ab={12,36,42,54,60,72,90}