Question

2 столбик пожалуйста

Answer 1

12/13-7/13=5/13

33/34+1/34=1

3+5 3/43=8 3/43

7-1/5=6 4/5

6/13+5/13=11/13

15/22-7/22=8/22=4/11

11-5 5/22=5 17/22

5+3 3/8=8 3/8

6+4 2/7=10 2/7

7/12+5/12=1

3 4/7-2 3/7=1 1/7