1-9/17 = 20-15дробь15/21 31/35-3/7 2/7×3/5 4/9×15/24

Question

1-9/17 =
20-15дробь15/21
31/35-3/7
2/7×3/5
4/9×15/24

Answer 1

1) 8/17
2) 25/7
3) 16/35
4)6/35
5) 5/18

Comments

Решения нужны :)