Question

вычислите 1/5/6:(2/3-2/7) срочно!!!!!!!!

Answer 1

$\frac{1}{ \frac{5}{6} } \div ( \frac{2}{3} - \frac{2}{7}) = (\frac{1}{5} \times \frac{1}{6}) \div ( \frac{14 - 6}{21} ) = \frac{1}{30} \div \frac{8}{21} = \frac{1}{30} \times \frac{21}{8} = \frac{7}{80}$