Question

помогите (2/3-1/9):5/6

Answer 1

1) 2/3 - 1/9 = 6/9 - 1/9 = 5/9 
2) 5/9 : 5/6 = 6/9 = 2/3 
Ответ 2/3

Answer 2

1.   2/3 - 1/9 = (НОЗ =9) = 6/9-1/9=5/9
2.   5/9 : 5/6 = 5/9·6/5 = 2/3