" " |
" -".. ... "".. .. ..
:
: |
,," |
:
3-4
1
150
,
3-4
4-6
3-4
:
1. 3-4 150 . .
2. .
3. .
4. (3-4 ) (4-6 ). .
5. (3-4) .
6. - .
7. 200 -!
: |