x No Plagiarism!uvWmKhxD2Ae0RmAKlLZOposted 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?469Please respect copyright.PENANAPqfh8Sgk2H啊我忘了各位都聽不懂。8964 copyright protection465PENANA28fEpYEztn 維尼216.73.216.6ns216.73.216.6da2