2. :
:
:
:
| ( ) | x 100% = | = 42,5% | ||
-27,5%, 30%.
:
| ( ) | x 100% = | = 13,3% | ||
-73,3%, 13,4%.
| ( ) | x 100 = | 3,5 = 100 . | ||
-30 100 , -5 100 .
16
1. :
- :
:
:
| (% ) | - | x 100% = | = 40% | |
-60%.
:
| ( ) | - | x 100% = | = 20% | |
-80%
| ( ) | x 1000 = | = 23,8 1000 . | ||
| - |
( ) -63,4 1000 .
17
2. .
| 15-20 | |||
| 21-30 | |||
| 31-49 | |||
:
:
| (% ) | 15-20 | x 100% = | = 5,5% | |
21-30 -50%, 31-49 -44,5%.
| ( ) | , 15-20 | x 1000 = | = 20 1000 | |
| 15-20 |
21-30 -144,4 1000 , 31-49 -2 1000.
|
|
|
| ( -. 10000 ) | - | x 10000 = | = 0,3 10000 | |
18
2. . 80 :
50 , 30 .
75.
80 .
- 12000 , - 11800 .
:
= * * ;
| = | = | = 0,93 | ||
| = | , () | = | = 0,6 | |
| = | = | = 1,01 | ||
= * * = 0,93 * 0,6 * 1,01 = 0,56.
19
1. :
;
;
.
| 15-29 | |||
| 30-59 | |||
| 60-69 | |||
| 70 | |||
:
:
| ( 15-29 ) | 15-29 | x 100% = | = 10% | |
30-59 -50%, 60-69 -20%, 70 -20%.
| ( ) | 15-29 | x 1000 = | = 660 1000 | |
| 15-29 |
30-59 -1200, 60-69 -2100, 70 -600 1000 .
| ( 10000 ) | x 10000 = | = 10 10000 | ||
