Question

Помогите номер 9.2 (2,4) да 30 балов

Answer 1

9.2.2) $(xy^3)^7*(x^6y^4)^3:(x^{24}y^{32})=x^7y^{21}x^{18}y^{12}:(x^{24}y^{32})=x^{7+18-24}y^{21+12-32}=xy$

9.2.4) $x^5y^8*(xy)^5:(x^5y^3)^2=x^5y^8*x^5y^5:(x^{10}y^6)=x^{5+5-10}y^{8+5-6}=y^7$