x No Plagiarism!KlTyk4fzjKPrshPbzEoWposted on PENANA 數學不懂?不會吧?難不成在座的各位都把智商拿去微分了?369Please respect copyright.PENANANhMpUjLfWP啊我忘了各位都聽不懂。8964 copyright protection365PENANAdYvWM3vJxv 維尼3.145.17.126ns3.145.17.126da2