x No Plagiarism!oz4ZQc6VMkEVrqbK81Tvposted on PENANA 加減乘除。二元一次。排列組合。微分方程。銀行餘額。711Please respect copyright.PENANAv5JOziJUnl8964 copyright protection707PENANANxM5Ncay5z 維尼216.73.216.143ns216.73.216.143da2