[a²(x-y)]³
问题描述:
[a²(x-y)]³
答
[a²(x-y)]³
=a^6(x-y)³
=a^6(x-y)(x²+xy+y²)
[a²(x-y)]³
[a²(x-y)]³
=a^6(x-y)³
=a^6(x-y)(x²+xy+y²)