2(x-y)³×[-1/2(y-x）³] ²

来源：学生作业帮助网编辑：六六作业网时间：2024/10/06 08:52:11

2(x-y)³×[-1/2(y-x）³]²2(x-y)³×[-1/2(y-x）³]²2(x-y)³×[-1/2(y-x）³

2(x-y)³×[-1/2(y-x）³] ²
2(x-y)³×[-1/2(y-x）³] ²

2(x-y)³×[-1/2(y-x）³] ²
2(x-y)³×[-1/2(y-x）³] ²
=2(x-y)³×[(x-y)^6]/4
=(1/2)(x-y)^9