Ответ:9^(2/5) · 27^(2/5) = (9 · 27)^(2/5) = 243^(2/5) = (3⁵)^(2/5) = 9.7^(2/3) · 49^(2/3) = (7 · 49)^(2/3) = 343^(2/3) = (7³)^(2/3) = 49.144^(2/4) : 9^(8/4) = 12 : 81 = 4/27.150^(3/2) : 6^(3/2) = (150/6)^(3/2) = 25^(3/2) = 125.