.
: 10 0 9 : A~10, B~11, C~ 12, D~13, E~14 F~15.
16- :
CF16 207 16 CF16 = 15×160 + 12×161 = 15 + 192 = 20710
192 12
2- 16-: 16- :
01001011 F16
4B16 110011112
.
.
n- n . 0 2n-1.
(1 -, 0 +), . .., +(2n-1 1) -(2n-1- 1).
.
, .
: , , , 1 .
n = 8: -510 = -0000 01012 ;
-510 = 1111 10112 .
-716 = 8216 .
.
1. :
) , ;
) Si i- , (Si k×), , ( ), k . k Si .
, Si = 5, k = [5/2] = 2. , i- 5-k×2 = 5-4 = 1, ( ) 2 (k = 2);
) .
:
-5+7 -5516+516
, , .
2. , .
n = 4:
616-316 = 616+D16 = 316 ( );
316-616 = 316+16 = D16 ( -3);
-616-316 = A16+D16 = 1716 ( ).
3. , .
: ). :
|
2 (5×2=10 10+1=11)
|
|
|
3AC (5×=50 (50+8):16=3, 10; , 3 )
3B 7C
). : 52 ´ AE = 52 ´ (-52) = -1A44h = E5BC.
4.2.
, .
() , .
() , .
.
. .
.
, .
, . .
() , () 1.