$10 \times\dfrac{25}{50}$ =

$\dfrac{3}{5}\times\dfrac{11}{2}$ =

$\dfrac{4}{3}\times\dfrac{2}{9}$ =

$\dfrac{11}{6}\times\dfrac{9}{13}$ =

$\dfrac{7}{8}\times\dfrac{14}{6}$ =

$\dfrac{6}{11}\times\dfrac{4}{21}$ =

$7 \times\dfrac{21}{-49}$ =

$\dfrac{7}{60}\times 7$ =

$\dfrac{17}{-11}\times\dfrac{2}{-7}$ =

$\dfrac{11}{5}\times\dfrac{3}{2}$ =