Решите !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
(х+х/у):(х-х/у)=ху+х/у:ху-х/у=х(у+1)у/ух(у-1)=у+1/у-1
