Question

Алгебра 7 класс номер 218

Answer 1

$(xy)^{2}=x^{2}y^{2}\\(2abc)^{1}=2abc\\(ab)^{2}=a^{2}b^{2}\\(3muk)^{2}=9m^{2}u^{2}k^{2}\\(2x)^{3}=8x^{3}\\(13xy)^{9}=13^{9}x^{9}y^{9}\\(3y)^{2}=9y^{2}\\(17cd)^{20}=17^{20}c^{20}d^{20}$