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No Plagiarism!dHcNtZYuKz56UMPYlh6Oposted on PＥNAＮＡ
There are 5 locks and 5 keys on a desk.8964 copyright protection275ＰＥＮＡＮＡenm8ki2KJB 維尼
Each key can only open a lock.8964 copyright protection275ＰＥＮＡＮＡshsVzuOc1C 維尼
At most, you need to try how many times to make a pair of all the locks and keys ?8964 copyright protection275ＰＥＮＡＮＡ6VWc34aebK 維尼
8964 copyright protection275ＰＥＮＡＮＡqQ3Iwjs8h6 維尼
279Please respect copyright.ＰＥＮＡＮＡEkJgtFL39N
8964 copyright protection275ＰＥＮＡＮＡPNNs2gRDaH 維尼
279Please respect copyright.ＰＥＮＡＮＡezXQovCitW
8964 copyright protection275ＰＥＮＡＮＡ0AcvUK6w2B 維尼
8964 copyright protection275ＰＥＮＡＮＡpj9qLnaAVg 維尼
279Please respect copyright.ＰＥＮＡＮＡmop0vzJdGi
8964 copyright protection275ＰＥＮＡＮＡdENTo7xigG 維尼
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