. , . , , .
. 13.23.
. 13.23.
3 2 1 0 -1 -2 -3 3, 2, 1 0 0 a 1 . 0= 1 = 0, , . . 3 = 3, 2= 2, 1= 1, 0 = 0. a 1= =0 0 = 1 ( 01) , . . 3 = 2, 2= 1, 1= 0, 0 = -1, . a 1 = a 0 = l, 3 = 0, 2= -1, 1= -2 0 = -3, . , .
. , . ≠ , .
1 2 , . 13.5. . 13.5
. , . 13.24, , . 13.24, .
. 13.5.
, , . 13.25, .
. 13.24. () () ,
. 13.25.
, b , , , , . 13.25, .
, . () . , , , , .
, , - .
, , ( ).
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, -. , . - , , .
. , . 13.1. , 1, , : , , . 0 b 0 . 13.6. S 0 ; 1 .
. 13.6.
. 13.6 S 0 1: S 0= 0 b 0 + a 0 b 0, 1 = 0 b 0, , , (. 13.26, ).
, , . . 13.26, .
. : . (. 13.27, ). . 13.7, . 13.27, .
. 13.26. () ()
. 13.27. () (6)
. 13.7.
, , . . 13.28 ,
. 13.28.
. , , .
: 2 1, 3 2, 4 3. , .
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155 155 (1551, 1551 ; 1552, 1552 ; 155, 155 ), 176 (1761 ) .