Răspuns :
1 supra 2 = 100/200 ; 10/20, 2/4
2 supra 4= 20/40 ; 4/8;
5 supra 10= 50/100; 25/20
3 supra 9= 30/90 ; 9/18,
2 supra 4= 20/40 ; 4/8;
5 supra 10= 50/100; 25/20
3 supra 9= 30/90 ; 9/18,