[8(x+y)^3(y-x)]^3除以[4(x+y)^2(x-y)]^2他娘的怎么算……
问题描述:
[8(x+y)^3(y-x)]^3除以[4(x+y)^2(x-y)]^2他娘的怎么算……
包括过程……
还有一题:100的x次方=10的几次方
答
[8(x+y)^3(y-x)]^3除以[4(x+y)^2(x-y)]^2=[8(x+y)^3(y-x)]^3除以[4(x+y)^2(y-x)]^2=2(x+y)(y-x)=2(y^2-x^2)