计算:(x²+2xy+y²)(x²-xy+y²)²有简便算法吗,

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计算:(x²+2xy+y²)(x²-xy+y²)²有简便算法吗,

计算:(x²+2xy+y²)(x²-xy+y²)²有简便算法吗,
计算:(x²+2xy+y²)(x²-xy+y²)²有简便算法吗,

计算:(x²+2xy+y²)(x²-xy+y²)²有简便算法吗,

=(x+y)²(x²-xy+y²)²
=[(x+y)(x²-xy+y²)]²
=(x的立方+y的立方)²