(1)a²-a-1=a²-() (2)a ²-2a+2=a²-2()(1)a²-a-1=a²-() (2)a ²-2a+2=a²-2()
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/23 12:14:43
![(1)a²-a-1=a²-() (2)a ²-2a+2=a²-2()(1)a²-a-1=a²-() (2)a ²-2a+2=a²-2()](/uploads/image/z/1025020-28-0.jpg?t=%EF%BC%881%EF%BC%89a%26%23178%3B-a-1%3Da%26%23178%3B-%28%29+%EF%BC%882%EF%BC%89a+%26%23178%3B-2a%2B2%3Da%26%23178%3B-2%28%29%EF%BC%881%EF%BC%89a%26%23178%3B-a-1%3Da%26%23178%3B-%28%29+%EF%BC%882%EF%BC%89a+%26%23178%3B-2a%2B2%3Da%26%23178%3B-2%28%29)
(1)a²-a-1=a²-() (2)a ²-2a+2=a²-2()(1)a²-a-1=a²-() (2)a ²-2a+2=a²-2()
(1)a²-a-1=a²-() (2)a ²-2a+2=a²-2()
(1)a²-a-1=a²-()
(2)a ²-2a+2=a²-2()
(1)a²-a-1=a²-() (2)a ²-2a+2=a²-2()(1)a²-a-1=a²-() (2)a ²-2a+2=a²-2()
a+1
a-1