Question

Помогите пожалуйста дам 20б

Answer 1

21: 4
22: 2/7
23: 1/2
24: 6
25: 1/3
26:33/160
27: 4
28: 25/12
29: 1/9
30: 61/36

Answer 2

21: 4

22: 2/7

23: 1/2

24: 6

25: 1/3

26: 33/160

27: 4

28: 25/12

29: 1/9

30: 61/36