7. , ?
8. .
9. .
17.
17.1
.
(17.1)
, .
:
(17.2)
. , , (17.2) :
(17.3)
:
(17.4)
, , , (17.4) .
, ,
(17.5)
(17.5)
(17.6)
(17.6)
(17.7)
, (17.6), (17.7).
, ,
:
.
17.2
17.2.1
4, 6, 10 . , 18 . , , . . 4, 10, 4 10, 4, 4 .
: , .
.
. . . . .
. . . . .
:
.
17.2.2
1, 2, 3, 5, 10, 15, 20, 50 ( ). 73 .
, :
.
, , .
(1, 2, 3, 5, 10, 15, 20, 50; 73)= (1,2,3,5,10,15,20;73)+ (1,2,3,5,10,15,20; 23).
0, .
. :
(1, 2, 3, 5, 10, 15, 20; 23) = (1, 2, 3, 5, 10, 15; 3) + (1, 2, 3, 5, 10, 15; 23)
5, 10 15 , , . . :
|
|
(1, 2, 3; 3) + (1, 2, 3, 5, 10, 15; 23) =
= (1, 2; 0) + (1, 2;3) + (1, 2, 3, 5, 10; 8) + (1, 2, 3, 5, 10; 23) =
= 1+ (1; 1) + (1; 3) + (1, 2, 3, 5; 8) + (1, 2, 3, 5, 10; 23).
, (1, 2; 0) = 1; (1, 2; 3) = (1;1) = 1; (1; 3) = 0;
(1, 2, 3, 5, 10; 23) = 0. :
1 + 1 + 0 + (1, 2, 3, 5; 8) + 0 = 2 + (1, 2, 3; 3) + (1, 2, 3; 8) = 2 + 2 + 0 = 4.
, 4 .
, .
17.2.3 (10 )
, , , : 1, 2, 3, 5 .
(1, 2, 3, 5; 10) = (1, 2, 3; 10) + (1, 2, 3; 5) + (1, 2, 3; 0).
, , .
20 :
5*2; 5+1*5; 3+2*3+1; 2*4+1*2;
5+3+2; 3*3+1; 3+2*2+1*3; 2*3+1*4;
5+3+1*2; 3*2+2*2; 3+2+1*5; 2*2+1*6;
5+2*2+1; 3*2+2+1*2; 3+1*7; 2+1*8;
5+2+1*3; 3*2+1*4; 2*5; 1*10.
17.3
1.
2. .
3. , .
4. .
5. ?
6. (10 ).
18. .
18.1 . .
. (. 18.1) , :
- ,
- ( ) , .
18.1
( , ) . , , ( - ) . , .
. , , .
. ( ) . , , . ().
. , .
, .
. , .
, .
. , .
|
|
. , , .
. ( ) , ( ).
. , ; ( ), .
. 18.1 ( ), ( ); 1 2 ( ); ( 2); ( 1 4); ; 5 ; 6 . 2 , 4 , 1 ( 2 ).
18.2 .
. ( ) , :
- ,
- () , .
. , , .
, : , (. 18.2). , , , .
18.2
. . 18.2 : ; ; ; .
18.3
. , , (. 18.3) , , .
.
18.3
18.3 , .
. , , .. . .
. ( ).
. , .
. , .
. , () .
. , () , .
. . 18.4 . , .
18.4
. (. 18.5), f , : A B, A B, . . .
18.5
. ( ) , ( ) .
. , () .
|
|
. , . ( ) .
, , , . , .
. ( ) , ; ( ), , .
, :
- , , , ;
- ;
- , ( ), (-) , ( );
- .
. . 18.6. : (5, 1, 2), (5, 6, 3, 2), (4, 5, 1, 4, 2) .. , . (1, 4, 5).
18.6
, , , , , , . , .
. , .
. ( ) .