1) -2 целых 17/49

2) 5 целых 13/20

3) 2 целых 13/32

Ответ

25/49 - 1/7 - 5 - 14

25/49 - 7/49 = 18/49

18/49 - 5 = - 4 31/49

- 4 31/49 - 14 = - 9 18/49

9,05 - 4 3/5

9 5/100 - 4 3/5

905/100 - 23/5 = 905/100 - 460/100 = 4 9/20

47 7/8 - 45 15/32

383/8 - 1455/32 = 1532/32 - 1455/32 = 2 13/32