- . 146


 

 

 

 

 

 

6.12

 

#G0

,

________ ___________

_______________________

__________________________________________________________

...

________________________________________.

_______________________________________ .

,

,

________ N ___________

_______________________

__________________________________________________________

...

________________________________________.

______________________________________ .

,

6.13

#G0

_____________ ________

________________________

( - ).

,

 

 

 

6.14




- -  - -  - -