(2/3xy^2-2x^2y^3+4xy)÷(-2xy)
问题描述:
(2/3xy^2-2x^2y^3+4xy)÷(-2xy)
答
(2/3xy^2-2x^2y^3+4xy)÷(-2xy)
=(2/3xy^2)÷(-2xy)-(2x^2y^3)÷(-2xy)+(4xy)÷(-2xy)
=-1/3y+xy^2-2