Ответ:9^(2/3) · 27^(2/5) = 3^(4/3) · 3^(6/5) = 3^(38/15).7^(2/3) · 49^(2/3) = 7^(2/3) · 7^(4/3) = 7² = 49.144^(2/4) : 9^(2/4) = (144 : 9)^(1/2) = √16 = 4.150^(3/2) : 6^(3/2) = (150 : 6)^(3/2) = 25^(3/2) = 125.