Question

Resolva as seguintes expressoes numérica:

Answer 1

$\frac{51}{45} \div ( - \frac{187}{63} ) - ( - \frac{729}{28} ) \times ( - \frac{85}{405}$
$- \frac{51}{45} \div \frac{187}{63} - ( - \frac{729}{28}) \times ( - \frac{85}{405})$