Сократите: (n^1/3 - m^1/3) / (n^1/6 + m^1/6)
(n^1/3 - m^1/3) / (n^1/6 + m^1/6)= =(n^1/6 - m^1/6 )(n^1/6 + m^1/6) / (n^1/6 + m^1/6)=n^1/6 - m^1/6