Question

помогите плиз даю 20 балов​

Answer 1

Ответ:

1/2<1<6/5 1/2<6/5

6/7<1<7/6 6/7<7/6

2/5<1<5/2 2/5<5/2

3/5<1<7/3 3/5<7/3

17/13>1>7/8 17/13>7/8

8/7<1>8/9 8/7>8/9

78/77>1<77/78 78/77>77/78

89/90<1<90/89 89/90<90/89