Question

Como eu resolvo?
2/3 + (-1/2)²

Answer 1

$\frac{2}{3} + ( - \frac{1}{2} \cdot (- \frac{1}{2} )) = \\ \\ \frac{2}{3} + \frac{1}{4} = \\ \\ \frac{8 + 3}{12} = \frac{11}{12}$