- ( 2)


     ,  -
   .      
  ,     
 ,   , ,   
  ,  ,  ,  
,    5-10 .     
  . 

 100,  40,   25,    
 25,   40,   40,   
40, - 25,   15,  30, ,  
;  :   20,   5,  
1/4 .
:
  •       

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