 

          1 

2018-09-07 10:40
  1080
  21
               1   
  
                                                                                                                                                                                                                                                                       
      Computer  Computer               material  material               10  10       1  1                 △ △  □  □                                       10  10                    2018   9    5                 A  B    A   B         ☆  ★      〈〉   《》            
          20    80             50          60        300          1950        1950                                
                  1950                                                             1      1950              
   80  50  60                                                                                                    
                                                                                                                                                                                                                                                       
                          80     50     60                                                 



  
     
     