а) (3^3 12^4) / (3^5 4^2) = (27 20736) / (243 16) = 559872 / 3888 = 144
б) (14^7 28^2) / (7^9 2^4) = (105413504 784) / (40353607 16) = 82724011008 / 64569712 = 1280
в) (625 15^3) / (5^5 3) = (625 3375) / (3125 3) = 2109375 / 9375 = 225
г) (11^5 5^6) / (25 55^5) = (161051 15625) / (25 166375000) = 2514640625 / 4159375000 = 0.6056