

   


   

 +   /  

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 *   40 

 +  

 *  

 +   

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 +  

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   (10-15 )


   

 *   40 

 +  

 +   

 +  

 + 

 + - 

 +  

 * 

 *  


    

 +   (5-8 )

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 *   (4-10 )

 -   (4-10 )


   

 +   (10-15 )


   

 *  10-15 

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 +  

 +  

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 *   (10-15 )


   

 *  (10-12 )


   

 +    

 +  

 +  
