(x+y)²-（x³+y³)÷（x+y)

x³y³-x²y²-xy+1 x³-x²y-xy²+y³(因式分解) (x+y)²-（x³+y³)÷（x+y) 化简4x³(-y³)²-3x·(-x)²(-y²)³化简4x³(-y³)²-3x·(-x)²(-y²)³ 化简再求值 4x³（-y³）²-3x×（-x）²（-y²）³滚 3x³ - 6x²y+ 3xy² 因式分解 4xy²-4x²y-y³ 6xy²-9x²y-y³ 6xy²-9x²y-y³因式分解 计算并写出每个运算步骤的根据[(-x²y³)²*(-x)³(-y²)]³ 计算：（-2x²y）³+8（x²）²•（-x）²•（-y）³ x³-x ²y-xy ²+y³怎么因式分解 降幂的题,x³-y³+3x²y-4xy²= 计算 ①[x(x²y²-xy)-y(x²-x³y)]÷3x²y 计算：[x(x²y²-xy)-y(x²-x³y)]÷3x²y [x(x²y²-xy)-y(x²-x³y)]÷3x²y 6xy²-9x²-y³ （x-y）³-（y-x）²