Răspuns:
a) 1)3/7 5/7 6/7 7/7 8/7 12/7
2) 2/1 2/3 2/4 2/5 2/7 2/10
b) 1) 10/4 9/4 8/4 7/4 6/4 3/4
2) 10/9 8/9 5/9 4/9 3/9 1/9
