因为a和x中间有个乘号?
by Hono @ 2018-05-26 22:13:56
是让你求出满足这个式子的x吧
by Jianuo_Zhu @ 2018-05-26 22:14:47
后面的 $ a $ 应该是 $ 1 $，题面出错了
by LJC00118 @ 2018-05-26 22:19:05
@[chen_zhe](/space/show?uid=8457)
by LJC00118 @ 2018-05-26 22:19:11
@[Jianuo_Zhu](/space/show?uid=30066) 满足条件的x显然就是1啊 所以题面出锅了
by star_city @ 2018-05-26 22:26:48
@[star_city](/space/show?uid=47421) 哦，谢谢
by Jianuo_Zhu @ 2018-05-26 22:34:15
是啊。。。这题不是求逆元吗 @[chen_zhe](/space/show?uid=8457)
by Hono @ 2018-05-26 23:08:20