x
No Plagiarism!yqj0PoXq8py2LsrosmcTposted on PENANA
There are 5 locks and 5 keys on a desk.8964 copyright protection225PENANA1Vhbl1cqSL 維尼
Each key can only open a lock.8964 copyright protection225PENANAgnfEBbsPz1 維尼
At most, you need to try how many times to make a pair of all the locks and keys ?8964 copyright protection225PENANA3nKruEtX3b 維尼
8964 copyright protection225PENANAxY619v2cxk 維尼
229Please respect copyright.PENANAIYjoMNpjZA
8964 copyright protection225PENANAtXMmXgZCR3 維尼
229Please respect copyright.PENANAFMZoReVocg
8964 copyright protection225PENANA76oV54cIp9 維尼
8964 copyright protection225PENANA9InmlXaHdV 維尼
229Please respect copyright.PENANAvymY1Dn3td
8964 copyright protection225PENANA0vIonDdmMB 維尼
3.143.215.114
ns3.143.215.114da2