2x(2x-y)+y(y-2x) y(2y+1)-y(y-1)+1 x(x+8)-8(x+2) 分2x(2x-y)+y(y-2x)y(2y+1)-y(y-1)+1x(x+8)-8(x+2)分解因式
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2x(2x-y)+y(y-2x)y(2y+1)-y(y-1)+1x(x+8)-8(x+2)分2x(2x-y)+y(y-2x)y(2y+1)-y(y-1)+1x(x+8)-8(x+2)分解因式2x(2x
2x(2x-y)+y(y-2x) y(2y+1)-y(y-1)+1 x(x+8)-8(x+2) 分2x(2x-y)+y(y-2x)y(2y+1)-y(y-1)+1x(x+8)-8(x+2)分解因式
2x(2x-y)+y(y-2x) y(2y+1)-y(y-1)+1 x(x+8)-8(x+2) 分
2x(2x-y)+y(y-2x)
y(2y+1)-y(y-1)+1
x(x+8)-8(x+2)
分解因式
2x(2x-y)+y(y-2x) y(2y+1)-y(y-1)+1 x(x+8)-8(x+2) 分2x(2x-y)+y(y-2x)y(2y+1)-y(y-1)+1x(x+8)-8(x+2)分解因式
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(x-y/x+2y)³
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{(x²+y²)-(x-y)+2y(x-y)}/4y
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y'=(y/x)^2+y/x+4微分方程
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x根号x+x根号y/xy-y^2)-(x+根号xy+y/x根号x-y根号)y
[(x-y)^2-(x+2y)(x-2y)]/y
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