x No Plagiarism!WQ6ItLsrdno2OUQqczbaposted on PENANA 加減乘除。二元一次。排列組合。微分方程。銀行餘額。568Please respect copyright.PENANARU5yKTB6T78964 copyright protection564PENANA3CDrdoMsmY 維尼3.143.254.120ns3.143.254.120da2