peA5
by 天慈 @ 2018-02-08 21:41:31
@[天慈](/space/show?uid=46433)
# 阶乘之和！！！
by Loner_Knowledge @ 2018-02-08 21:52:48
# 和！！！
by Loner_Knowledge @ 2018-02-08 21:53:04
1！+2！+3！=9？
by 不会dp退役菜鸡 @ 2018-04-16 12:55:10
=9
1!+2!+3!=1+2+6=9!!!!!!!!!!!!!!!!!!!
by 憨憨憨憨批 @ 2018-05-05 19:46:33