(x+y)(m+n)^2-(x+y)(m-n)^2因式分解,

x^n*y*(-x^2y^m) (x+y)(m+n)2-(x+y)(m+n)2 m(x-y)^n+n(y-x)^2n因式分解 m(x-y)-n(y-x)因式分解 m(x-y)+n(y-x) 因式分解 （m+n)(x-y)- （m+n)(x+y) (m-n)(x-y)-(n-m)(x+y)因式分解 (m+n)(x-y)+(m-n)(y-x) (m+n)(x-y)-(m+n)(x+y)的答案 (m+n)(x-y)-(m+n)(x+y)的结果 计算(x-y-m+n)(x-y+m-n) 提公因式m^2(x-y)+n^2(y-x) 2m(x+y)+n(x+y) 因式分解快 2m(x+y)+n(x+y) 因式分解 x(m+n)-y(n+m)+(m+n)等于多少 因式分解：m^2(x-y)+n^2(y-x)m^2(x-y)+n^2(y-x) .如题. m(x+y)+n(x+y)-x-y因式分解 (x+y)^2+(x+m)^2-(m+n)^2-(y+n)2因式分解