(x+y)^5÷(-x-y)^3(x-y)^2=?若4^a=80,4^b=5,求9^a÷3^2b
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A[C=<;Pj 6iz
[2(x-y)^5-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2
化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x
(x+y-5)*(x+y-5)+(x-y+3)=0 x*x-y*y
已知:3x-5y=0,求x/y,x-y/y,x-y/x
(3x-y)(3y+x)-(x-y)(x+y)
化简:5(x-y)+2(x+y)-3(x-y)
(y-x)(x-y)^3(y-x)^5怎么算
已知x-y/x+y=3,求代数式5(x-y)/x+y-x+y/2(x-y)
(x+y)-(x-y)^3÷(x-y)(x+y)×2y化简e ,
(2x-3y)-(5x-y)
(2X-3y)-(5x-y)
(2x-5y)(3x+y)
计算(x+y)(x-y)(x+y)3次方(x-y)5次方计算(x+y)×(x-y)×(x+y)3次方×(x-y)5次方
因式分解(x-2y)(x-3y)+(x-4y)(x-5y)+(x-3y)(x-5y)+(x-2y)(x-4y)
{(x,y) |x|+|y|
x>y?x:y
(2x+y)²+(x+3y)(x-3y)-x(5x+8y)因式分解
x²/xy-x/y 3x/4x+y - x-2y/4x+y (1-y/y+x)÷x/y²-x²