:x(x-y)-y(y-x) m(x-y)²-x+y
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:x(x-y)-y(y-x) m(x-y)²-x+y
:x(x-y)-y(y-x) m(x-y)²-x+y
:x(x-y)-y(y-x) m(x-y)²-x+y
x(x-y)-y(y-x)
=(x-y)(x+y)
m(x-y)²-x+y
=(x-y)(mx-my-1)
:x(x-y)-y(y-x) m(x-y)²-x+y
m(x-y)平方-x+y
3(x-1)³y-(1-x)³z m(x-y)²-x+y x²(x+y)(y-x)-xy(x+y)(x-y) 因式分解
{(x,y) |x|+|y|
x>y?x:y
(x-y)(x-y)2(y-x) (x+2y-?)(x-2y+?)
3m(x-y)—n(y-x)
x(x-y)²-y(y-x)²
(x-2y)(x+y)+(x+y)计算
-3(x-y)(x-y)+3(x-y)
3m(x-y)-2(y-x)²因式分解
计算:(x-y)^2-(x+y)(x-y)
(X-Y)(Y-X)²(X-Y)三次方
2(x-y)²-3(x-y)(-y-x)
用行列式性质计算(需过程):(x,y,x+y; y,x+y,x; x+y,x,y )
因式分解:x(m-x)(m-y)-m(m-x)(m-y)结果是“-(m-x)²(m-y)”还是“-(x-m)²(m-y)” 为什么?
m(x+y)+n(x+y)-x-y因式分解
因式分解方法:m(x-y)(x-y)-x+y