2 вариант. 9) (7/25 + 7/33) : 14/33.

7/25 + 7/33 = 7 · (33 + 25)/(25 · 33) = 406/825.

(406/825) : (14/33) = (406/825) · (33/14) = 29/25 = 1 4/25.

Ответ: 29/25.