. (bit binary digit ).
, , 2 n.
,
1 = 23 = 8 .
:
1 = 2 10 = 1024
1 = 2 10 = 1024
1 = 2 10 = 1024
( ) .
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, . , . calculi, - calculare, . ( )
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. : I (1), V (5), X (10), L (50), (100), D (500), (1000).
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, 555 . , , 10.
.
55510 = 5 .102 + 5 . 101 + 5 . 10.
, ( 10), .
. , 555,55 :
555,5510 = 5 .102+ 5 . 101 + 5 . 10+ 5 . 10-1 + 5 . 10-2,
(), . .
, , .
0. 1,2,3,4.5,6,7,8,9 | ||
0, 1 | ||
0. 1,2,3,4,5,6,7 | ||
0, 1,2,3,4,5,6,7,8,9,A(10) B(11),(12),D(13),(14), F(15) |