Question

Qual a resposta (-2/3)³ + 1 ?

Answer 1

$(- \frac{2}{3} )^{3} + 1 = - \frac{2^{3}}{3^{3}} + 1= - \frac{8}{27} + 1 = \frac{-8+27}{27} = \frac{19}{27}$

Espero ter ajudado.