, , , , , .
: () , , , - , - .
, .
, - .
: :
) 1 = +01010 ) 1 = -01101
2 = +01011 2 = -01001
) [X1] = 01010
[X2] = 01011
[X c] = 10101
, . . . , - , .
: [X c] =[Xc] = 010101 X c =+10101
) [X1] = 10011
[X2] = 10111
[X c] = 101010
, , . . . - , - .
: [X] = 1 01010; [X2] = 1 10110
: 2.6 2.7 . n 2n. .