Răspuns:
7. 3/19 .5/19 .8/19. 11/19 21/19. 24/19
2/3. 2/5.2/7.2/10.2/11.2/15
8. 100/43 .55/43 41/43 30/43 19/43 7/43 2/43
3/100 3/50 3/41 3/18 3/6 3/2
10 9/11 este mai mare
31/39 mai mare
21/27 mai mare
16/21 mai mare
