(-x+2y)(x的4次方+4x的2次方y的2次方+16y的4次方)(x+2y) ,求因式分解=（-x+2y)(x²+4y²)²(x+2y)=(4y²-x²)(x²+4y²)²=（16y^4-x^4）(x^2+4y^2)很高兴为您解答,skyhunter002为...