a) (2m-3n)^3 = 8m^3 - 36m^2n + 54mn^2 - 27n^3б) (3x+y^2)^3 = 27x^3 + 27x^2y^2 + 9xy^4 + y^6в) -(2c-K^3)^3 = -8c^3 + 12c^2K^3 - 6cK^6 + K^9
a) (2m-3n)^3 = 8m^3 - 36m^2n + 54mn^2 - 27n^3
б) (3x+y^2)^3 = 27x^3 + 27x^2y^2 + 9xy^4 + y^6
в) -(2c-K^3)^3 = -8c^3 + 12c^2K^3 - 6cK^6 + K^9