计算(3x-3y)²(x-y)³(y-x)²(y-x)³要过程,
计算(3x-3y)²(x-y)³(y-x)²(y-x)³要过程,
用行列式性质计算(需过程):(x,y,x+y; y,x+y,x; x+y,x,y )
[x(x²y²-xy)-y(x²-x³y)]÷3x²y
因式分解:[x(x²y²-xy)-y(x²-x³y)]÷3x²y
计算:x•(9x³y-3xy²)/(-3x²y)
求因式分解(x-y)²-2(x-y)³和(x+y)(x-y)-x(x-y)
计算:(x-y)的5次方(x-y)²(x-y)³
计算4(x+y)^5(x-y)^4÷[2(x+y)³*(y-x)²]
因式分解 -5x³y(x-y)³+20y【x²(y-x)】²
(x-y)³(y-x)(y-x)²+(x-y)^6
(x-y)的四次方(x-y)-2(x-y)²(y-x)³等于?
计算:①-x·(y-x)³·(x-y)的四次方 ②(x-y)²·(y-x)³·(x-y)的