, .
, (), . ( 1) , .
2, 1 , . , .
7, , 8 .
1 .
. . . 9.
6 . .
- . ( 1) , ( ) . , , 3 4 , 5 .
, , , . ( ) , , () . , .
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( ) . . , () () , .
, , , , , . , .
2
.. , , . , .
, 3. , D . , 3, : 1 = 1; D1 = 1; 2 = 1; D2 = 1.
3
Z . .
( 3, ) : 1 = Z1; 1 = 0.
( 3, ): B2 = 0; 2 = 1/ Z2.