2.
2. .
, . , , , , .
- .
.
.
.

.

, .

.

1. - 1 2,
.. 2 , .
-
b- , 1 2 (1:2)→ =

2. - 1 2,5, ..
2,5 , .
-
b- , 1 2.5 (1:2.5)→ =b/2

3. - 1 3, .. .
-
b = 0.

, ( 1:3) - . - .
Q, W, V , :
Q - . , ( W) , . ( ) , (V) . V = 0 , , . Q=W+V
4. .
, .

.
,
- 800 ( ), 7, 3: =800;
- , 300 Y= 300 (c. 4 7);
- : N=T/Y → c 1 7 → N=2.67;
- ()→ =1,5 7 6;
- . . f=8 - 7 7;
- : =8 8 7;
- ""- 11 7. 8 .
- . =29 - 10 7.
, ( ), ( "", 15) "2"( ).
, - "", :
- "b" - , 9. , 7: b=1,7
- "" - - 12 ( 7- =10,2);
- "L"- - 4 ( 7- 828 ;
- "" - - 3 ( , 7 - 786 )
- , =-, 15. 7 =14 .
2 (16), , .