Răspuns :
A. 2/1; 2/2; 2/3; 2/4 ;2/5; 2/6; 2/7; 2/8 B.3/10; 4/10; 5/10; 6/10; 7/10; 8/10; 9/10 C.0/2; 2/2; 4/2; 6/2; 8/2.
a) 2/1; 2/2; 2/3; 2/4; 2/5; 2/6; 2/7; 2/8. b)3/10; 4/10; 5/10; 6/10; 7/10; 8/10; 9/10. c) 2/2; 4/2; 6/2; 8/2.