4x³-16x²y+16xy²
16x²y-16x³-4xy 因式分解
[-xy/(x-y)²]²×(y²-xy/x)³
已知2X-3√xy-2y=0(x>0)求2x²+xy-9y²分之x²+4xy-16y
因式分解-16x²y²+12xy³z-4xy
x²/xy-x/y
计算:(xy-x²)×x-y/xy
观察下列一串单项式的特点:-xy,2x²y,-4x³y,8x的4次方y,-16x的5次方y
因式分解:-x³-4xy²+4x²y
计算x²y³-2x(4xy³)
多项式因式分解 1,(x-y)³-(x-y)²(x+y) 2,x(x²-xy)-(4x
(5.2x²y-3.4xy+8x³)+2(2.2xy-4x³-2.3x²y)其中
分解因式计算6x³y(x-y)³-4xy³(y-x)²