$\dfrac{16}{7}\times\dfrac{10}{25}$ =

$\dfrac{19}{3}\times\dfrac{2}{7}$ =

$\dfrac{9}{-2}\times\dfrac{11}{-23}$ =

$23 \times\dfrac{6}{46}$ =

$\dfrac{17}{6}\times\dfrac{2}{12}$ =

$\dfrac{1}{17}\times\dfrac{23}{2}$ =

$\dfrac{6}{4}\times\dfrac{11}{17}$ =

$13 \times\dfrac{-5}{13}$ =

$\dfrac{7}{25}\times 2$ =

$\dfrac{19}{17}\times\dfrac{1}{2}$ =