1.Wykonaj Mnożenie
a) (-4mn^3)(5m^3n) b) (5x^2y^3)^2(-2xy^4) c) (-2a^2b^6c)(7a^3bc^5)^3
źródło:
a) (-4mn^3)(5m^3n)=-20m^4n^4 b) (5x^2y^3)^2(-2xy^4)=(25x^4y^6)(-2xy^4)=-50x^5y^{10} c) (-2a^2b^6c)(7a^3bc^5)^3=(-2a^2b^6c)(7^3a^9b^3c^{15})=-686a^{11}b^9c^{16}