x No Plagiarism!SW1HItYKBjGMIJyVoiXlposted 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?407Please respect copyright.PENANAGG1mUR8I4R啊我忘了各位都聽不懂。8964 copyright protection403PENANApG5BZbTOnK 維尼18.218.8.36ns18.218.8.36da2