(x-y/x+2y)的3次方
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(x-y)3次方.(x-y)2次方.(y-x)
(y-2x)×(2x-2y)的3次方×(y-2x)的4次方
(x+3y)(x-3y)(x的2次方-9y的2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)=
化简:{2/3x-2/(x+y)[(x+y)/3x-x-y]}/【(x-y)/x】的负二次方
(x-y)的2次方+3(y-x)因式分解
(x-y/x+2y)的3次方
(y-x)²(x-y)+(x-y)的三次方+2(x-y)²(y-x)
(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=
(x-y)的5次方-(y-x)的2次方,
因式分解x次方-y次方+5x-y+6【x-y+2】【x+y+3】
y(x-y)的2次方-(y-x)的3次方
{(z+y)(x-y)-(x-y)的2次方+2y(x-y)}除以4y
6xy的2次方-9x的2次方y-y的3次方+y
x的2次方y乘xy+(-2x)的3次方y的2次方
x-y+x+y分之2y的2次方
X的三次方Y-3X的二次方Y的二次方+2XY