Question

Genteeeee, me ajudem por favor :s
$(-1)^{3}-( \frac{1}{2} ) ^{-1}. 2^{-1} =?$

Answer 1

$(-1)^3-(\frac{1}{2})^{-1}.2^{-1}=\\ \\ -1-2.\frac{1}{2}=-1-1=-2$

Answer 2

(-1)³ - (1/2)^-1*2^-1 = 
-1 - 2*1/2 = 
-1 - 1 = -2
-2