(x-2y)^0除以(2y-x)^5等于多少

问题描述:

(x-2y)^0除以(2y-x)^5等于多少

(x-2y)^0除以(2y-x)^5
=1/(2y-x)^5谢谢,那(x-2y)^0除以(2y-x)^5+(2x-y)(-2x-y)+(x-y)(-x+y) 等于多少??采纳我,重新问