.
: 999,3510=1111100111,010112
:
:
21,75(10) = 2*101+1*100+7*10-1+5*10-2
10101,11(2)=1*24+ 0*23 + 1*22 + 0*21 + 1*20 + 1*2-1 + 1*2-2 = 16+4+1+0,5+0,25 = 21,75(10)
.
, ai .
. 0,11012. :
0,11012 = 1*2-1 + 1*2-2 + 0*2-3 +1*2-4 = 0,5 + 0,25 + 0 + 0,0625 = 0,8125.
, .
, 0,11012 = 0,8125.
- .
, , (, , ). . . .
0 ( ) 1 ( ). .
. :
N1 0 0 1 0 0 1
N2 + 0 0 1 0 0 1
N = N1+N2 0 1 0 1 1 0
N = N1+N2 , . . , , , . , , , 6 , .
1 , = 2 ( ). , (.. ) .
. , , .
. ( 2). , (0 0, 1 1) 2 0, .. , ; 1, .
|
|
. .
11012 10112.
1 1 0 1
1 0 1 1
1 1 0 1 1-
1 1 0 1 2-
0 0 0 0 3-
1 1 0 1 _______ 4-
1 0 0 0 1 1 1 1
. , . , , , . , . . . = 0,10010 = 0,10110.
- , (- ) = 1,01010.
0, 1 0 0 1 0 0, 1 0 1 1 0
+ ____________
(- ) 1, 0 1 0 1 0 < 0 0, 1 1 0 1 0
1, 1 1 1 0 0
1, 1 1 0 0 0
+
0, 1 0 1 1 0 > 0
0, 0 1 1 1 0
0, 1 1 1 0 1
+
(- ) 1, 0 1 0 1 0 > 0
0, 0 0 1 1 0
0, 0 1 1 0 0
+
(- ) 1, 0 1 0 1 0 < 0
1, 1 0 1 1 0
1, 0 1 1 0 0
+
0, 1 0 1 1 0 > 0
0, 0 0 0 1 0
0, 0 0 1 0 0
+
(- ) 1, 0 1 0 1 0 < 0
1, 0 1 1 1 0