Question

O valor da expressão

Answer 1

2^0 - (2^-2 - 2^-3)  /  (2^-2 + 2^-1)^2 - 2^4 = 
1 - (1/4 - 1/8) / (1/4 + 1/2)^2 - 1/16 =
1 - (2/8 - 1/8) / (1/4 + 2/4)^2 - 1/16 =
1 - 1/8 / (3/4)^2 - 1/16 =
8/8 - 1/8 / 9/16 - 1/16 =
7/6 / 8/16 =
7/6 / 1/2 =
7/6 x 2/1 = 14/6
= 7/3