2018.02.22 19:06
        
                                 
                        
                        
      
                                 
                           
                   
                                  
1             50 70   0.3     100     
             30    50        3  7  
   2 20%                    500   
  250               3  5     3          
  100 150     60  80          3  7    4       
        
                                                                                                               
 