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让我看看
what???let me see~~
019: :019:
let me have the answer
单向路程x,来回时间分别为十分之x,十五分之x
) x1 s" p* w) Q. ^/ n2 h总路程2x除以来回时间的和
$ l  `2 L# [. ?公仔箱論壇12
thank you
see see
http://klyriz4u.blogspot.com/
12.5?
cccccc
12.5 ??
睇吓點做
thank you very much
thank you very much
thank you very much
thank you very much
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