(4x^2-25y^2)除以（2x-5y)
问题描述：
(4x^2-25y^2)除以（2x-5y)
答
= 2x+5y
答
(4x^2-25y^2)除以（2x-5y)
=(2x)^2-(5y)^2除以（2x-5y)
=(2x+5y)(2x-5y)除以（2x-5y)
=2x+5y