Вопрос в картинках...

Question

Решите задачу:

Answer 1

  7                     1
----- : 14 + 15 *(-------)^4 = 1
 8                      2

1) 7/8 : 14/1 = 7/8 * 1/14 = 1/16
2) (1/2)^4 = 1/2*1/2*1/2*1/2 = 1/16
3) 15*1/16 = 15/16
4) 1/16 + 15/16 = 16/16 = 1