化简（a²/a+1－a+1）÷a/a²－1

来源：学生作业帮助网编辑：六六作业网时间：2024/05/13 13:43:13

化简（a²/a+1－a+1）÷a/a²－1化简（a²/a+1－a+1）÷a/a²－1化简（a²/a+1－a+1）÷a/a²－1原式=(a&#

化简（a²/a+1－a+1）÷a/a²－1
化简（a²/a+1－a+1）÷a/a²－1

原式=(a²/a+1-1/a+1)a²/a-1
=(a²-1/a+1)a-1
=[(a+1)(a-1)/a+1]a-1
=(a-1)a-1
=a²-a-1