$$ (-4x^2y^2z^2)^3 : (-0.2x^2yz) = \frac{(-4)^3 x^6 y^6 z^6}{-0.2 x^2 y z} = \frac{-64 x^6 y^6 z^6}{-0.2 x^2 y z} = 320 x^4 y^5 z^5$$
Ответ: 320 x4 y5 z5