(x-Y)^5×(y-x)^4×(y-x)^2等于多少
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(x-Y)^5×(y-x)^4×(y-x)^2等于多少(x-Y)^5×(y-x)^4×(y-x)^2等于多少(x-Y)^5×(y-x)^4×(y-x)^2等于多少(x-Y)^5×(y-x)^4×(y-
(x-Y)^5×(y-x)^4×(y-x)^2等于多少
(x-Y)^5×(y-x)^4×(y-x)^2等于多少
(x-Y)^5×(y-x)^4×(y-x)^2等于多少
(x-Y)^5×(y-x)^4×(y-x)^2
=-(Y-x)^5×(y-x)^4×(y-x)^2
=-(y-x)^11
x-y+5y-4y
4x+2y-5x-y
5x-4y(y-x)=?
x-y+5x-4y
因式分解(x-2y)(x-3y)+(x-4y)(x-5y)+(x-3y)(x-5y)+(x-2y)(x-4y)
{(x,y) |x|+|y|
x>y?x:y
(x+y)(x-y)+4(y-1)
x(x-y)+4(y-x)因式分解
(y-x)+x(x-y)^3-(y-x)^4 因式分解
已知:4x = 5y,求(x+y) :y
x+y/y=5/4,则x/y=----------------
(5x-3y)(3y+5x)-(4y-3x)(3x-4y)
(3x-4y)(5x-4y)-(7x-8y)(6y-5x)
(5x+3y)(3y-5x)-(4x-y)(4y+x)=
5/4(x+y)(-x-y)^3*[-4/3(x-y)]*[-3/5(y-x)^2]
4(x-y)-3(x-y)=9 5(x-y)+2(x-y)=11
3(x+y)-4(x-y)=11,2(x-y)+5(x+y)=27