, 4 , 1÷5 () () R (.12.7). : N 1=93, N 2=39, N 3=87, N 4=30. D =82 . d .=66 N. =20 N =60 . A, , , , , , , (N =80), (N =40). . , , .
1. .
1. 24 . .
2. 33 ( ).
3. 4 . 1 5.
4. N =60 . » û.
5. . 12.1.
6. 1 , .
7. , 1 2.
8. 1 , .12.1.
9. 8 2, 3 4. .12.1.
10. , .12.1.
11. U = f (x), U i= f (x) ( i =1÷4) = f (x) . , U = f (x) U. = f (x) . .
12.1
x, | U, | U 1, | U 2, | U 3, | U 4, | , |
- | ||||||
1, 5 | 1, 2 | 2, 3 | 3, 4 | 4, 5 | - | |
|
|
2. .
1. , (i) N i 12.2.
2. U i= f (x) x C ( x, U ), .12.2.
3. 2 , .
12.3
i | N i | x C, | l, | I, |
12.3
N | U, | |||||
, ( ) | ||||||
, ( ) | ||||||
, ( ) | ||||||
, ( ) |
4. l , 12.2.
5. N. =20 , .
6. .12.2 .
7. 12.3 .
8. 40, 60 80 . .12.3.
9. (12.27):
(12.27)
; 12.3.
10. (12.16):
. (12.16)
11. .12.3.
3. .
1. , : .
2. .12.4.
3. .12.4.
4. 1 2 : . U. U. . U. , , (12.27) . , 12.4.
|
|
12.4
I, | N. | N i | x, | U, | U., | , | , |
U = . | |||||||
U. = |
5. (12.15) I , :
. (12.15)
(12.15), 12.4, .
6. , .
7. .
1. --.
2. .
3. --, .
4. --, . .
5. .
6. .
[1] 22.1, 22.2, 22.6, 25.1;
[2] 15.2, 15.4, 15.5, 15.7, 17.1, 17.2;
[3] 2.37, 2.38, 2.40, 2.54, 2.55;
[4] . 2, 42, 47, 48, 50, 60;
[5] 110,119, 120, 122, 123.
2-13