(3X+5Y) =9X^2-25Y^2
问题描述:
(3X+5Y) =9X^2-25Y^2
(3X+5Y) =9X^2-25Y^2中间的空填什么
答
(3x-5y)(3x+5y)=9x^2-25y^2
(3X+5Y) =9X^2-25Y^2
(3X+5Y) =9X^2-25Y^2中间的空填什么
(3x-5y)(3x+5y)=9x^2-25y^2