[2x-2y+3xy(x-y)]÷(x-y)
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[2x-2y+3xy(x-y)]÷(x-y)
[2x-2y+3xy(x-y)]÷(x-y)
[2x-2y+3xy(x-y)]÷(x-y)
[2x-2y+3xy(x-y)]÷(x-y)
=[2(x-y)+3xy(x-y)]÷(x-y)
=[(2+3xy)(x-y)]÷(x-y)
=2+3xy
怎么啦
2+3xy
化简:x-y/x+3y÷x^-y^2/x^2+6xy+9y^2-(xy/x+y)
x²/xy-x/y 3x/4x+y - x-2y/4x+y (1-y/y+x)÷x/y²-x²
(3xy)^2÷(-xy)+(x-2y)^2-(x+2y)(x-2y)
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
[(3x+y)虏-3(3x-y)(x+y)-(x-3y)(x+3y)]÷(2xy) 是[(3x+y)²-3(3x-y)(x+y)-(x-3y)(x+3y)]÷(2xy)
(x^2-xy)y÷y-x/xy怎么做?
x^2y-x^3/x^2+2xy+y^2÷x/x-y乘以x+y/x^2-2xy+y^2
已知xy=-2,x-y=3,求(x+y)(x-y)-y^2+(x-y)^2-(6x^2y-2xy^2)÷2y
[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)
计算:(x+y/x-y)÷(xy+x^2)
-xy^2(x+y)^3+x(x+y)^2因式分解
(x+3y)/(x^2+xy)-x+y计算题
(xy-x²)÷(x²-2xy+y²/xy)×(x-y/x²)
x-y/x²÷x²-2xy+y²/xy*(xy-x²)
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)