@[chen_zhe](/space/show?uid=8457)
by Cyhlnj @ 2018-05-25 20:12:45
@[yler](/space/show?uid=47640) Orz...然而请问那个phi是什么意思qwq
by strangers @ 2018-05-25 20:26:12
@[strangers](/space/show?uid=52452) 不是欧拉函数吗？
by Cyhlnj @ 2018-05-25 21:24:10
@[yler](/space/show?uid=47640) 哦哦emmmmm..忘了2333
by strangers @ 2018-05-25 21:33:00
@[yler](/space/show?uid=47640) 然而并不会做...GG
by strangers @ 2018-05-25 21:33:41