(m+n)(x-y)+(m-n)(y-x)
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/06/17 22:23:39
(m+n)(x-y)+(m-n)(y-x)
![(m+n)(x-y)+(m-n)(y-x)](/uploads/image/z/4339136-56-6.jpg?t=%28m%2Bn%29%28x-y%29%2B%28m-n%29%28y-x%29)
解
(m+n)(x-y)+(m-n)(y-x)
=(m+n)(x-y)-(m-n)(x-y)
=(x-y)(m+n-m+n)
=2n(x-y)
(m+n)(x-y)+(m-n)(y-x)
=(m+n)(x-y)-(m-n)(x-y)
=(x-y)(m+n-m+n)
=2n(x-y)
(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
m(x-y)+n(y-x)
a(x-y)-b(y-x)+c(x-y) x(m+n)-y(n+m)+(m+n)
y-n和x+m成正比例
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
m²(x-y)+n²(y-x)
第一题(m-n)(m+n)-m(m-n)+n(m+n)= 第二题m(x-y)²-x+y
计算一,y-x分之x+y 加x-y分之y剪y-x分之2x-y= 二n-m分之m+2n加n-m分之n剪n-m分之2n=__
m、n都是自然数,多项式x^m+2y^n-3^m+n