x No Plagiarism!JDJfdQ4Me7PCVOHTx3lhposted on PENANA 加減乘除。二元一次。排列組合。微分方程。銀行餘額。695Please respect copyright.PENANAcjAQ07CCTC8964 copyright protection691PENANAXumSj9Wg2f 維尼216.73.216.197ns216.73.216.197da2