Question

⅔ + (-½)² - 8 = ?...​

Answer 1

Resposta:

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

$\frac{2}{3} + \frac{1}{4} - 8 =$

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

$\frac{8 + 3 - 96}{12} = - \frac{ 85}{12}$