计算:(x-y)²(x²+y²)²(x+y)²

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计算:(x-y)²(x²+y²)²(x+y)²计算:(x-y)²(x²+y²)²(x+y)²计算:(

计算:(x-y)²(x²+y²)²(x+y)²
计算:(x-y)²(x²+y²)²(x+y)²

计算:(x-y)²(x²+y²)²(x+y)²
原式=[﹙x-y﹚﹙x+y﹚]²﹙x²+y²﹚²
=﹙x²-y²﹚²﹙x²+y²﹚²
=﹙x^4-y^4﹚²
=x^8-2x^4y^4+y^8.

原式=(x-y)²(x+y)²(x²+y²)²=(x²-y²)²(x²+y²)²=【(x²)²-(y²)²】²=(x四次方-y四次方)²=x八次方-2·x四次方·y的四次方+y的八次方