Question

(55/11+66/11+(77/11-11))

Answer 1

(55 / 11 + 66/11 + (77/11 - 11))
(5 + 6 + (7-11)
5 + 6 - 4 = 7

Answer 2

$( \frac{55}{11} + \frac{66}{11}+ ( \frac{77}{11}-11 ) )$

5 + 6 + ( 7 -11)

11 + (-4)

11 - 4 

7