- ()


         , 
 25   .      
  .  ,     
  ,   ''   3-4   
 .  ,       
.  10 ,    ,  
  ,    ,   
    . 

 50,   30,  50, '' 5,  15, 
  250,   100,  (10%) 15,  
(33%) 150,  0,05, .
:
  •       

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