a(x-y)-b(y-x)+c(x-y) x(m+n)-y(n+m)+(m+n)
a(x-y)-b(y-x)+c(x-y) x(m+n)-y(n+m)+(m+n)
m(x-y)+n(y-x)
(x+y)(m+n)2-(x+y)(m+n)2
(m+n)(x-y)-(m+n)(x+y)的答案
(m+n)(x-y)+(m-n)(y-x)
(m+n)(x-y)-(m+n)(x+y)的结果
把下列各式因式分解(2m+3n)(2m-n)-4n(2m-n)(x+y)^2(x-y)+(x+y)(y-x)^24a(x
分解公因式 1.a(x+y)-b(x+y) 2.m(a-b)-n(b-a)
分解公因式:2(m-n)^2-m(m-n) x(x-y)^2-y(y-x)^2 18(a-b)^3-12b(b-a)^2
三道计算题(-2y^2-3x)(3x-2y^2) -(3m^2-n)(3m^2+n) (1/2a^m-b^n)(b^n+
四道计算题(-2y^2-3x)(3x-2y^2) -(3m^2-n)(3m^2+n) (1/2a^m-b^n)(b^n+
m²(x-y)+n²(y-x)