Очень прошу о помощи
(2^(1/3) · 2^(1/4) : 2^(1/12) )² = 2^(2/3) · 2^(2/4) : 2^(2/12) = 2^(2/3) · 2^(1/2) : 2^(1/6) = 2^(2/3 + 1/2 – 1/6) = 2^((4+3–1)/6) = 2^(6/6) = 2^1 = 2