, ( ) ().

, . , (11) ( = 1) 3- ( 5):

R = 0 ( );

R1 = ( , R1) , ,

R = 0 R1 = .

( 5,), . , 5,, .

 

5.

, ( 2) R1 = R.


( 20 )

, " " - , . , , .
, , . , " " " ", , . FAQ .


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