Question

(1/2 . 9/5) : (1/6 - 1/2)

Answer 1

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$\frac{ (\frac{1}{2}. \frac{9}{5})}{( \frac{1}{6}-\frac{1}{2} )} \\\\ \frac{ \frac{9}{10}}{ \frac{1-3}{6}}\\\\ \frac{ \frac{9}{10}}{ \frac{-2}{6}}\\\\ \frac{9}{10}. \frac{6}{-2}\\\\ \frac {54}{-20}\\\\ S= -2,7$