а) -6xy^2*(-4.5y^3)*(x2^2)^2 =6xy^2*4.5y^3*x^2*2^4=6xy^2*4.5y^3x^2*16=432x^3y^5
б) (-3а^bc^3)^5 =(-3)^5*(a^b)^5*(c^3)^5=-243a^5b*c^15
в ) (-0.2xy^4z^3)^3 =(-0.2)^3*x^3*y^12*z^9=-0.2^3*x^3*y^12*z^9=-(1/5)^3*x^3*y^12*z^9=-1/125*x^3*y^12*z^9
а) -6xy^2*(-4.5y^3)*(x2^2)^2 =6xy^2*4.5y^3*x^2*2^4=6xy^2*4.5y^3x^2*16=432x^3y^5
б) (-3а^bc^3)^5 =(-3)^5*(a^b)^5*(c^3)^5=-243a^5b*c^15
в ) (-0.2xy^4z^3)^3 =(-0.2)^3*x^3*y^12*z^9=-0.2^3*x^3*y^12*z^9=-(1/5)^3*x^3*y^12*z^9=-1/125*x^3*y^12*z^9