No Plagiarism!S09pX4eerO8qI7TK27H1posted on PENANA 小時候學了一大堆公式定理,被折磨到懷疑人生,笑死,根本一個也沒用到。8964 copyright protection524PENANAO7LGgDrwSz 維尼216.73.216.245ns216.73.216.245da2