Пошаговое объяснение:

3

А = 3 1/3=10/3

В = 4 1/3=13/3

С = 5 1/3=16/3

D = 6

E = 6 2/3=20/3

F = 7 2/3=23/3

4

A = 2 1/4=9/4

B = 3

C = 3 3/4=15/4

D = 4 1/4=17/4

E = 4 3/4=19/4

F = 5 2/4=5 1/2=11/2