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No Plagiarism!3wZHksKW8JEUfEo8BzJ4posted on PENANA

點到點的向量,必須要是有關連的,33Please respect copyright.PENANAhcI2A93Ysn
8964 copyright protection29PENANAmfYH8r24Dq 維尼
像是AB+BC+CD+DE,8964 copyright protection29PENANAZY0V3P5UtL 維尼
而不能是AB+CB+DC+DE。33Please respect copyright.PENANArK5G3ZKDrG
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3.22.42.249
ns3.22.42.249da2