(x-y)的五次方÷(y-x)³=过程
问题描述:
(x-y)的五次方÷(y-x)³=过程
答
(x-y)的五次方÷(y-x)³
=(x-y)^5÷[-(x-y)³]
=-(x-y)²
=-(x²-2xy+y²)
=-x²+2xy-y²