1. .

2. ;

............................................................................................................................. .....................

.............................................................................................................. ....................................

3. ;

............................................................................................................................. .....................

..................................................................................................................................................

............................................................................................................................. .....................

................................................................................................................................... ...............

4. ;

............................................................................................................................. .....................

.............................................................................................................. ....................................

............................................................................................................................. .....................

5. ;

..................................................................................................................................................

............................................................................................................................. .....................

............................................................................................................................. .....................

6. ;

..................................................................................................................................................

............................................................................................................................. .....................

7. (

)

........................................................................................................................ ..........................

............................................................................................................................. .....................

)

......................................................................................................................... .........................

.............................................................................................................. ....................................

............................................................................................................................. .....................

..................................................................................................................................................

)

.......................................................................................................................... ........................

............................................................................................................................. .....................

..................................................................................................................................................

............................................................................................................................. .....................

8. ;

............................................................................................................................. .....................

..................................................................................................................................................

9.

3 ,

,

.

(: 20 25 .)