Question

2 elevado a 3 [(-16) : (+2) - (-1)9] 1

Answer 1

2³ [ ( - 16 ) : (+2) - ( - 1). 9 ] . 1 =
8 [ ( - 8 )  - ( -9 ) ] . 1 =
8 [ - 8 + 9 ] . 1 =
8[+1] .1 = 
  8 . 1 = 8