Ответ:

Пошаговое объяснение:

11/2+7/6=33/6+7/6=40/6=6 2/3

22/9+7/2=44/18+63/18=107/18= 5 17/18

67/12+15/8=268/48+90/48=358/48=7 22/48=7 1124

32/5-11/10=64/10-11=10=53/10=5 3/10

33/7-5/3=99//21-35/21=64/21=3 1/21

7/2-5/3=21/6-10/6=11/6= 1 5/6

25/4+19/8=50/8+19/8=69/8

31/2-69/8=124/8-69/8=55/8=6 7/8