.


:




:

































 

 

 

 


?




(1- ). . :

) 2710 = (1 24 + 1 23 +0 22 +1 21 +1 20)10 =110112

) 12,2510 = (8 + 4+ 1/4)10 = (23 + 22 + 2-2)10 =

= (1 23 + 1 22 + 0 21 + 0 20 + 0 2-1 + 1 2-2)10 = 1100,012.

2- :

. 1210 .

: , 12, , , 2. :

, , ( 1), , . : 1210= 11002.

. .

. . , . , . , :

1012=(1 22 +0 21 + 1 20)10=(4+1)10=510

11012=(1 23 + 1 22 + 0 21 + 1 20)10 = (8+4)10=1210

1000001001,1012 = (1 29 + 0 28 + 0 27 + 0 26 + 0 25+ 0 24 + 1 23 + 0 22 + 0 21 + 1 20 1 2-1 + 0 2-2 +1 2-3)10 = (512 + 8 + 1 + 1/2 + 1/8)10 = (521+5/8)10 = (521,625)10

(, , , 2 , .)

, ,

20 = 1, 21 = 2, 22 = 4, 23 = 8, 24 = 16, 25 = 32, 26 = 64, 27=128,

28 = 256, 29=512, 210 = 1024.

́ ́ , () (), .

C :

C= Cn Pn +Cn-1 Pn-1 ++C1 P1 +C0 P0 +C-1 P-1 ++C-m P-m,

 
 

Ci , ():

* - (n );

* - (m ).

:

, ();

, ().

, .

C = Cn Cn-1 C1 C0, C-1 C-m

, . . , : 0-,1-,...(n-1)-, n-; : 1-, 2-,...(m-).

Ci ci :

Ci = i i.

Pi , , i- . P : P .

3.1. .

=10.

: 0,1,2,3,4,5,6,7,8,9.

723,1910 =7×102 +2×101 +3×100 +1×10-1 +9×10-2.

3.2. .

=2.

: 0,1.

101110,1012 = 1×25 +0×24 +1×23 +1×22 +1×21 +0×20 +1×2-1 +0×2-2 +1×2-3

, , .

, n :

Nmax = Pn -1.

( 0) , m :

Nmin = P-m.

n, m , Pn+m .

3.3. .

= 2.

n = 10, m = 6.

N :

0,015<N<1024.

, , , . .

. , , 1, - . : ,


M - (|| <1);

r - (r - );

P - .





:


: 2016-11-12; !; : 1353 |


:

:

, .
==> ...

2095 - | 1994 -


© 2015-2024 lektsii.org - -

: 0.014 .