                     
                                                              
                                      
                         
 
 
                2655   
 
 
         （  ）    （  ） 
 
 
 
              280                20 
  
                260                 6 
  
                 50                  2 
  
             480                80 
 
                  330                160 
  
              300                10 
  
                 180                 80 
  
             110                33 
  
               270                3 
  
                 170                15 
  
                200             15     

               25              6

        
                        
 
                     
                       