-
1
17-19 (, ) :
1. (
17-19 (, ) ( ).
(. .)
2. ,
( ).
_ , , _ , , _ _ _ _ _ _
, (, , , , ) . .. + (), + (), + ( ) + ()
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2 : , , , , , , . ; . M : , . 19-20. _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ :
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3
: , . : .. , , : , , , , , . . . : , , , , , , , , , , ..
: