改好了,编译没错误了,又有连接错误了,唉`										
					
	
	
	
	      
				
											math.obj : error LNK2001: unresolved external symbol _IID_IAdvancedMath
math.obj : error LNK2001: unresolved external symbol _IID_ISimpleMath
why?										
					
	
	
	
	       2005-04-29 21:45
	    2005-04-29 21:45
   2005-04-29 21:49
	    2005-04-29 21:49
   2005-04-29 21:52
	    2005-04-29 21:52
  
 2005-05-01 23:45
	    2005-05-01 23:45