Вычислите: 2/5 + 3/5; 3/7 - 2/7; 7/20 - 3/20; 1/9 + 5/9; 6/23 - 2/23; 3/20 + 7/20; 13/29...

Question

Вычислите: 2/5 + 3/5; 3/7 - 2/7; 7/20 - 3/20; 1/9 + 5/9; 6/23 - 2/23; 3/20 + 7/20; 13/29 - 2/29; 11/51 + 13/51; 17/72 - 13/71; 32/55 + 23/55; 5/33 + 6/33; 13/48 - 11/48.

Answer 1

1;1/7;1/5;2/3;4/23;1/2;11/29;24/51;4/72;1;1/3;1/24