y³ *y³ +(y²)³
y³ *y³ +(y²)³
先化简,在求值:6y-(y+2分之y + 2-y分之y)除以y³-4y-2y²+8分之y,其中y=
(x-y)³+9(x-y)-6(x-y)²
(x-y)³(x-y)²(y-x)等于多少
计算 [12(x+y)³(y-x)]³÷[4(x+y)²(x-y)]²
因式分解 -5x³y(x-y)³+20y【x²(y-x)】²
y²+y-3=0,代数式y³+4y²+2012的值
(x-y)的四次方(x-y)-2(x-y)²(y-x)³等于?
(x-y)³(y-x)(y-x)²+(x-y)^6
求因式分解(x-y)²-2(x-y)³和(x+y)(x-y)-x(x-y)
先化简,再求值1、y²(y²+9y-12)-3(3y³-4y²),其中y=-3;
若x、y满足2x+y=6,x-3y=1,求7y(x-3y)²-2(3y-x)³的值