Question

(2/3)"2"+(-2/3)+(2/3)"0"

Answer 1

Boa tarde :)

⇒$(\frac{2}{3} )^{2} +(-\frac{2}{3} )+(\frac{2}{3})^{0}$

⇒$\frac{4}{9} - \frac{2}{3} + \frac{1}{1}$

⇒$-\frac{2}{9} + \frac{1}{1}$

⇒$\frac{7}{9}$

Espero ter ajudado!