No Plagiarism!E6q4l79FL52qi2suOAyMposted 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?486Please respect copyright.PENANAfy621e0Mm6啊我忘了各位都聽不懂。8964 copyright protection482PENANALzoxP0dUn3 維尼216.73.216.51ns216.73.216.51da2