Question

{1+1/3}×{1-1/3}
A)-8/9
b)0
c)8/9
d)2

Answer 1

$(1 + \frac{1}{3} ) \times (1 - \frac{1}{3} ) \\ \\ \frac{4}{3} \times \frac{2}{3}$

$\frac{8}{9}$

Answer 2

Resposta:

C

Explicação passo-a-passo: