(x-2y)2n方除以(2y-x)2n-1方等于?
问题描述:
(x-2y)2n方除以(2y-x)2n-1方等于?
答
(x-2y)2n方除以(2y-x)2n-1方等于
(2y-x)2n方除以(2y-x)2n-1方等于
2y-x