Математика

Генюля

23 октября, 20:57

Помогите решить дроби:

11/15-6/10 43/66+1/42

1/3-2/7 52/56+13/104

45/52-3/28 16/33+13/33

15/21-21/91 10/21+20/77

15/24-2/88 42/4+42/10

11/13-1/5 62/99+81/99

7/25-13/65 2/5+1/2

39/78-36/78 12/14+7/10

20/21-6/21 62/104+15/16

17/33-1/15 14/8+43/12

21/22-19/22 4/14+24/26

26/28-1/44 5/14+1/4

8/12-4/8 35/104+54/104

68/77-31/49 52/63+27/45

31/35-23/55 45/8+21/28

15/28-7/52 3/6+3/6

52/66-9/12 40/88+21/24

25/27-17/45 8/10+7/15

6/12-3/20 44/52+7/20

11/15-11/35 14/6+52/14

39/42-9/42 13/20+11/12

4/9-2/6 6/14+26/49

68/104-19/40 5/15+27/33

19/22-8/14 6/44+39/52

29/35-15/21 11/3+21/3

37/39-19/21 2/15+4/9

19/25-20/35