化简,(1)a2-4/a2+2a-8/(a2-4)*a2-4a+4/a-2(2)(x2+x/x-1)/x2-1/x2-2x+1-2x-1
问题描述:
化简,(1)a2-4/a2+2a-8/(a2-4)*a2-4a+4/a-2
(2)(x2+x/x-1)/x2-1/x2-2x+1-2x-1
答
看不懂
答
最起码把题目写清楚啊