x No Plagiarism!2GKgpMcTGTc4z42D4ERDposted on PENANA 326(某人生日)8964 copyright protection192PENANAfN8Ulac7Vt 維尼951(我生日的等差數列!)8964 copyright protection192PENANA7stulm02wm 維尼216.73.216.24ns216.73.216.24da2