$(\frac{-7}{8} / \frac{5}{16}) \times ( \frac{1}{2} + \frac{1}{3})$
= $\frac{-14}{5} \times \frac{5}{6}$
= $ \frac{-7}{3}$
=> Đáp án: B. $\frac{-7}{3}$
$(\frac{-7}{8} / \frac{5}{16}) \times ( \frac{1}{2} + \frac{1}{3})$
= $\frac{-14}{5} \times \frac{5}{6}$
= $ \frac{-7}{3}$
=> Đáp án: B. $\frac{-7}{3}$