-10x^3y除以-5x^2+25x^2y^2除以-5x^2=
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-10x^3y除以-5x^2+25x^2y^2除以-5x^2=
(5x^4-10x^3y+25x^2y^2)除以(-5x^2)=_____________________
(25x^2+15x^3y-20x^4)除以(-5x^2)
xy²/(x²y-y) × x²/(x²+x)=(x²-3x)/(x²-5x) × 2x-10/(x²-6x+9)=化简求植x²-1/(x²-x-2)除以x/2x-4,其中x=1/2[x-x/(x+1)]除以[x/(2x-4)] ,其中x=√2+1
【(x-y)^2+(x+y)(x-y)】除以 2x
[(x-y)²+(x+y)(x-y)]除以2x
[(5x+2y)(3x+2y)+(x+2y)(x-2y)]除以4x
【(4x-3y)(4x+3y)-(2x-3y)(5x+3y)]除以6x
[(x+y)(x-y)-(x-y)的平方+2y(x-y)]除以(4y)请帮我一下写两道计算题[(x+y)(x-y)-(x-y)的平方+2y(x-y)]除以(4y)[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]除以(4x)
(2x+3y)除以(5x-3y)=3/5求x比y
函数y=2x+3除以(x-1)(x
化简[(3x+4y)^2-(2x+y)(2x-y)+(-x+y)(5x-y)]除以-2y,其中x=-1,y=1
(x-y)^7除以(y-x)^3除以(y-x)^2=_____
[(2x+y)^2-(x+y)(x-4y)-5y^2]除以2x
(3a^3/X+Y)^3*(X^2-Y^2)除以(Y-X/Y+X)^2
[3(x-y)^3-(y-x)^2+x-y]÷(x-y) 多项式除以单项式
方程2x-y除以5=x+y除以3的解是
分式的加减:[(x/y-y/x)除以(x+y)+x(1/y-1/x)]除以1+x/y,其中x=5,y=2