(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^2 1/2a^3x^2-2a^2xy+2ay^2 因式分解(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^21/2a^3x^2-2a^2xy+2ay^2因式分解
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(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^21/2a^3x^2-2a^2xy+2ay^2因式分解(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^21/2a^3x^2-
(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^2 1/2a^3x^2-2a^2xy+2ay^2 因式分解(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^21/2a^3x^2-2a^2xy+2ay^2因式分解
(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^2 1/2a^3x^2-2a^2xy+2ay^2 因式分解
(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^2
1/2a^3x^2-2a^2xy+2ay^2
因式分解
(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^2 1/2a^3x^2-2a^2xy+2ay^2 因式分解(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^21/2a^3x^2-2a^2xy+2ay^2因式分解
(x^2+y^2)^2-4xy(x^2+y^2)+4x^2y^2
=(x²+y²-2xy)²
=(x-y)^4
1/2a^3x^2-2a^2xy+2ay^2
=1/2a(a²x²-4axy+4y²)
=1/2a(ax-2y)²
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
(x^2+2xy+y^2-4xy)*(x^2-2xy+y^2+4xy)
(x+y)(x+y+2xy)+(xy+1)(xy-1)(x+y)(x-y)+4(y-1)
(x^2+xy/x-y)/(xy/x-y)计算
(x^-4y^)/(x^+2xy+y^)/(x+2y)/(2x^+2xy)
因式分解 x-xy+3y-3x 2x+xy-y-4x+5y-6
化简:3x^2-[5xy-(x^y-3xy)+4x^2y-8xy]
(-3x^y+2xy)-( )=4x^+xy
2x(x-y)+4xy(y-x) 因式分解2x(x-y)+4xy(y-x) 因式分解
(-x-y)(x^2+xy+y^2)
化简x^-y^/x^-2xy+y^
2*(x-y)²(y-x)(xy)
计算:2xy/(x+y)².(x+y)/4y
计算:4xy-(x+y)^2/xy(x+y)(x-y)÷x^2+xy-2y^2/x^2y+2xy^2
x^2-xy/xy-y^2约分
化简2(x²y+xy)-3(x²y-xy)-4x²y
x-y/x^2+xy除以xy-x^2/x^2y^2-x^4*1/x-y
xy-2{xy-[3x^2y-(4xy^2+0.5xy)]+4x^2y}+6xy^2