Question

Помогите с алгеброй

Answer 1

$5x^8:(5x^3)=x^5\\\\18x^{11}y^7:(9x^4)=2x^7y^7\\\\42a^6b^{13}:(14a^2b^4)=3a^4b^9\\\\72a^7b^5:(4a^7b^3)=18b^2$