-xy^2(x+y)^3+x(x+y)^2因式分解
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-xy^2(x+y)^3+x(x+y)^2因式分解-xy^2(x+y)^3+x(x+y)^2因式分解-xy^2(x+y)^3+x(x+y)^2因式分解-xy^2(x+y)^3+x(x+y)^2=x(x
-xy^2(x+y)^3+x(x+y)^2因式分解
-xy^2(x+y)^3+x(x+y)^2因式分解
-xy^2(x+y)^3+x(x+y)^2因式分解
-xy^2(x+y)^3+x(x+y)^2
=x(x+y)^2[(-y^2(x+y)+1)]
=x(x+y)^2(1-xy^2-y^3)
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
-x-3xy+y
[x(x^2y^2-xy)-y(x^2-x^3y)]/3x^2y
[x(x^2y^2-xy)-y(x^2-x^3y)]/3x^2y
[x(x^2y^2-xy)-y(x^2-x^3y)]/(2x^2y)
-xy^2(x+y)^3+x(x+y)^2因式分解
(x+3y)/(x^2+xy)-x+y计算题
因式分解 x-xy+3y-3x 2x+xy-y-4x+5y-6
1、(-7x^y)(2x^y-3xy^3+xy) 2、((x-y)^6)/((y-x)^3)/(x-y)
化简：x-y/x+3y÷x^-y^2/x^2+6xy+9y^2-(xy/x+y)
(x-2xy)*(-xy+2y*y)-(3x*x-2xy)(x-9xy+6y*y)答案应为-2x-x*x-3x，
X^Y-2XY^2+y^3
x*x+xy=3,xy+y*y=2,则x*x+2xy+y*y=________?
(-x-y)(x^2+xy+y^2)
化简x^-y^/x^-2xy+y^
2*(x-y)²(y-x)(xy)
（x^2+xy/x-y)/（xy/x-y)计算
3y/x*x-y*y+x/x*x-2xy+y*y+6y*y/x*x*x-x*x*y-xy*y+y*y*y等于多少?