Question

зделайте задание 2 дам 25 балов

Answer 1

Ответ:

1) 39/7 * 28/13 = 3/1 * 4/1 = 12/1

2) 7/5 : 1/2 = 7/5 * 2/1 = 14/5

3) 12/1 - 14/5 = 60/5 - 14/5 = 46/5

4) 46/5 + 2/15 = 138/15 + 2/15 = 140/15 = 9 5/15