     
         
                         
  
1       6     120     150  
2                        
3                      

       2    20          
          1  5      
                                                       
1              
A                            
 
B               
C                  
D          
2               
A                     
B       
C       
D 
3                
A              
B                                         
C                      
D           
4     
A                            
B                           
C                       
D                         
5            
A  5    31  
B  4    24  
C  3   21  
D  4    23  
6             
A                  
B            
C             
D            
7        
A                
B                
C             
D                   
8                  
                                       
                                       
            
                                  
                    
                   
①         
②           
③            
④             
⑤           
⑥          
⑦     
A ①③②⑦⑤⑥④
B ①②③④⑤⑥⑦
C ②③④①⑤⑦⑥
D ①④②③⑥⑤④
9            
⑴            
⑵              
⑶                 
⑷             
A        
B        
C        
D          

10       
    ⑴ ⑵        



 
      
 
A ①②     B ①①     C ③③     D  ②③

       10  
11        6  
⑴       
                      
       
                      
                   
⑵       
            
                           
                           
               
⑶      
                       
⑷     
                  
12        4  
⑴             
                        
⑵        

       40  
       13  25     
            
          
                     
   A                                                                                                                                                                                                                                
B                                                                                 30                 20          100       
C                                                                       
13   A          4  
 
 
 
 
14           3  

15                            4  

16   B                                 3  

17                          3  

18   C                      5  
       
        
           
          
                    
   A                             
                                
                                                                                                
   B                                                                                       
   C                                                   
        
          
19                2  

20                   4  

21   B              2  

22                     2  
A            
B            
C           
D            
23                2  

24  A                  3  

25                      3  

      50  
          
            
 
①         
②          
③                    
④            ×××    
⑤    500    