Originally posted by 紅唇娃 at 2005-8-19 11:15:
睇極唔明。
Calculus係乜?點用?
有冇D example?
Originally posted by 紅唇娃 at 2005-8-20 11:24:
No...
英國預科先教。
Originally posted by oscar at 2005-8-19 23:17:
嘩...好難俾個example你喎=.=
你冇教科書!?
Originally posted by 紅唇娃 at 2005-9-16 01:01 AM:
dy同dx代表咩?
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