=-x^2+2xy-5y^2
(5x^4-10x^3y+25x^2y^2)/(-5x^2)
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相关问题
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(5x^4-10x^3y+25x^2y^2)除以(-5x^2)=_____________________
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(4.5*10^5)(2*10^3)(3*10^4)&2x^2y(-8y^2)+4x^2y*5y^2&(x+3y)(2x
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1.8x+5y=10 8x-5y=10 2.3x+2y=9 4x-2y=5 3.2x+3y=5 6x-2y=-6 4.3
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3x+4y+10=3.5(x+y+2) 0+2+14+3x+4y=2.5(10+x+y)
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(x+5y)(x-5y)等于A.25y2-x2B.x2+25y2C.x2-25y2D.x2+10xy+25y2
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1,{3x+2y=13 {5x-2y=11 ,2,{5x+2y=25 {3x+4y=15
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因式分解-5a^2+25a;25x^2-16y^2;x^3-25x;x^2(x-y)+y^2(y-x);x^2y^4-1
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两元一次方程组3Y-X=5 5Y+2X=25.2 还有X/5-Y/2=2 2X+3Y=4
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x+2y=9 3x-2y=-1 5x+2y=25 3x+4y=15 2x+3y=
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(-2x^4)^4 y^3+2x^10(-2x^2 y)^3+2x^4*5(x^4)^3(3y)^3