     
                                        
                                                 
                                                                   
                   2 

       .                                   
          ⒈                   
   A        B     
             C             D     
         ⒉                        
            A        B              C                    
            D       
          ⒊            
            A                 B           
            C                      D           
          ⒋                

           A        B           C          D 
          ⒌                       
          A              
          B                         
          C                                 
          D                     
          ⒍                  
         A      B    C         D  
           ⒎      ／     ／     ／           
                    
                A       B      C      D  
           ⒏                 
             A                   B       
             C                         D           
           ⒐                   
             A         
     B         
             C            D              
           ⒑              
             A              B      
             C                 D          
           ⒒           
            A      B         C         D   
           ⒓          
   
            A                           B        
            C                        D         
           ⒔                    
            A                    B              
            C                    D              
          ⒕                      
    A            
            B            
            C      
           D       
         ⒖                             
            A     B      C 
     D 

             47   
        ⒗    8  
         ⑴                                                      
         ⑵                                                           
        
       ⑶                                                 
        ⒘       6  
         ⑴                 
          ⑵                       
         ⑶                               
        ⒙                             4 
         ⑴       
         ⑵     
             ⒚                             7  
                
                
                
        
               
           ⒛           4  
             ⑴                
             ⑵      
             ⑶          
             ⑷         
           21        8  
          ∧           ∧                                         
           22        7  
              
             
          23     3 
                           
              
                            
              
                         
                
           
         ⑴          ／     ／      ／     ／       ／     ／     ／         ／     ／     ／     
           24                          4  
               
                
               
               
          25                    6  
              
                
          ⑵     
                                            
                                         
                                       
                                      
             


         

         26       2         
                            

       
         27          1  
           
         28            2  

         29             3   


         30                   

            
                               
                                  400   