(a-1)[1-(a+1)÷(a-1/a)]

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/29 04:36:07
(a-1)[1-(a+1)÷(a-1/a)]
x)H5Ԍ6H6<OԌI*)_`gCN- V~{S? ,WS645F`˚^kmO5:/۟l 鄾M;~ּYgvԱ/.H̳y Yc

(a-1)[1-(a+1)÷(a-1/a)]
(a-1)[1-(a+1)÷(a-1/a)]

(a-1)[1-(a+1)÷(a-1/a)]
(a-1)[1-(a+1)÷(a-1/a)]
=a-1-(a-1)(a+1)÷(a-1)/a
=a-1-a(a+1)
=a-1-a²-1
=-a²-a-2
如追加其它问题,采纳本题后点击想我求助,