求C所涉及的数学知识
											如题										
					
	 2007-09-28 20:28
	    2007-09-28 20:28
   2007-09-28 20:48
	    2007-09-28 20:48
   2007-09-28 20:53
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   2007-10-01 03:22
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 2007-10-01 18:17
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