Question

(1-1/2):(1/2-1/3) решительно оч надо

Answer 1

$(1- \frac{1}{2}):( \frac{1}{2} - \frac{1}{3})= (\frac{2}{2}- \frac{1}{2} ):( \frac{3}{6}- \frac{2}{6})= \frac{1}{2} : \frac{1}{6} = \frac{1}{2} * \frac{6}{1} = \frac{1*6}{2*1} = \frac{6}{2}= \frac{3}{1} =3$