Question

1/3-1/9 10/21-1/3 14/15-3/5 17/18-1/9 4/9-13/45 1/3-11/18

Answer 1

1/3-1/9=2/9
10/21-1/3=3/21=1/7
14/15-3/5=5/15=1/3
17/18-1/9=15/18
4/9-13/45=7/45

Answer 2

Ответ:

567;-:-:--:-++&797+)(;+((9