5.3.

(. 4.4) . :

   *(   )
   ( _ )
            ( _ , _  30 );

   *(   )
   ( _ )
            ( _ , 
                   40,   25 );

   *(   )
   ( _ )
            ( _ ,   );

  _ *(   )
   ( _ )
            ( _ , _  16);

   *(   )
   ( _ )
            ( _ , _  16 );

   *(   )
   ( _ )
            ( _ ,   16,   6 );

   *(   )
   ( _ )
            ( _ , _ ,
                  _ , _  );

   *(   )
   ( _ )
            ( _ ,   20,   16,
                    20,   60,   9 );

   *(  )
   ( _ )
     ( _  
                  NULL-  
                     
                   ._ )
     ( _  _
                  NULL- 
                    _ 
                   _._ )
     ( _  
                  NULL-  
                     
                   ._ )
            ( _ , _ ,
                  _  16, _ ,
                  _  3, _  12,
                   , _-  ,
                  _  )
     ( 1.   _, _
                   _    
                     , _
                   ;     "
                   ", "   "  "
                   ". );

   *(  )
   ( _ )
     ( _  
                  NULL-  
                     
                   ._ )
            ( _ , _ ,  ,
                  _  )
     (   _   
                      ;
                      "  " );

   *(   )
   ( _ )
     ( _  
                  NULL- 
                     
                   ._ )
            ( _ ,   )
     (   _   
                      ;
                      "  " );

   *(     )
   ( _, _ )
     ( _  
                  NULL-  
                     
                   ._ )
     ( _  
                  NULL-  
                     
                   ._ )
            ( _ , _  )
     (   _  _ 
                      
                     ;   
                   "  "  "  " );

, , . :

   *(  ,   )
   ( _, _ )
     ( _  
                  NULL-  
                     
                   ._ )
     ( _  
                  NULL-  
                     
                   ._ )
     ( _  
                  NULL-  
                     
                   ._ )
            ( _ , _  )
     (   _, _ 
                  _    
                     , 
                   ;     "
                   "  "  "  "
                   ");

   *(     )
   ( _, _ )
     ( _  
                  NULL-  
                     
                   ._ )
     ( _  
                  NULL-  
                     
                   ._ )
            ( _ , _ ,
                  _ , _  )
     (   _  _
                      
                      ;   
                   "  "  "  " );

   *(     )
   ( _, _ )
     ( _  
                  NULL-  
                     
                   ._ )
     ( _  
                  NULL-  
                     
                   ._ )
            ( _ , _ , _ ,
                   , _  )
     (   _  _ 
                       
                    ;    
                  "  "   "  " );

, - (. 4.6), .. :

, , , , . - .

, , , , , , "" , : .

- _, . , , - (, "", "", "", "" ..). . 4.5 (_) () , , .

( ) , , .