(3xy^2)^2+(-xy^3)(4xy)
问题描述:
(3xy^2)^2+(-xy^3)(4xy)
答
(3xy^2)^2+(-xy^3)(4xy)=9x^2y^4-4x^2y^4=5x^2y^4
(3xy^2)^2+(-xy^3)(4xy)
(3xy^2)^2+(-xy^3)(4xy)=9x^2y^4-4x^2y^4=5x^2y^4