, |
|

|
: |
( 7) |
|
|
: |
(5) |
|
|
: |
(4 - ) |
|
|
: |
(3) |
|
|
: |
(2) |
|
|
: |
.. |
|

|
: |
, (2) |
|

|
: |
, ( ) |
|
|
: |
, |
|
|
: |
| : | [1] |