(x+3y)(x-3y)(x的2次方-9y的2次方)
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(x+3y)(x-3y)(x的2次方-9y的2次方)(x+3y)(x-3y)(x的2次方-9y的2次方)(x+3y)(x-3y)(x的2次方-9y的2次方)(x+3y)(x-3y)(x²-9
(x+3y)(x-3y)(x的2次方-9y的2次方)
(x+3y)(x-3y)(x的2次方-9y的2次方)
(x+3y)(x-3y)(x的2次方-9y的2次方)
(x+3y)(x-3y)(x²-9y²)
=(x²-9y²)(x²-9y²)
=(x²-9y²)²
=x^4-18x²y²+81y^4
(x+3y)(x-3y)(x²-9y²)
=(x²-9y²)(x²-9y²)
=(x²-9y²)²
(x-y)3次方.(x-y)2次方.(y-x)
(x+3y)(x-3y)(x的2次方-9y的2次方)
化简:{2/3x-2/(x+y)[(x+y)/3x-x-y]}/【(x-y)/x】的负二次方
(x-y)的9次方/(y-x)的8次方+(-x-y)的3次方/(x+y)的平方,
[6(x-y)的3次方*(x+y)的4次方-9*(x-y)的平方*(x+y)的3次方]根号[3(x-y)(x+y)]
已知x+9y=y-3x,求X的2次方+Y的2次方分之X的2次方-Y的2次方
6x y的3次方-9x的2次方y的2次方-y的4次方因式分解
6(x-y)3次方+15(y-x)的平方-9(y-x)的3次方
(y-2x)×(2x-2y)的3次方×(y-2x)的4次方
(x-y)的3次方乘(x-y)的2次方乘(y-x)
(x-y)的2次方×(y-x)的3次方×(x-y)=
6xy的2次方-9x的2次方y-y的3次方+y
因式分解x次方-y次方+5x-y+6【x-y+2】【x+y+3】
(x-y)的2次方+3(y-x)因式分解
(x-y/x+2y)的3次方
(x-y)的4次方/(y-x)的3次方+(x-y)0的次方*(y-x)+(-x-y)7次方/(x+y)6次方=
(3x-y)(9x的2次方+y的2次方)(6x+2y)因式分解
若2x=3y+3,则9的x次方*27的y次方