, , . , , , 10-12 . , , . 30 ( ).
1/6 . . 42 , .. = = 26 / .
l = 1/6 15,7= 2,617 . l = 2700 .
1. .
:
= = (15,7- 2,7) = 2597,4
:
= = 148 ( - 2,7) = 762,2;
.11
2. . (, ):
.
:
= = 9990
:
= 699300
: ;
, :
:
: ;
137,5 .
: .
:
= 48
= 2,5 , :
= 19,2 ;
82-70* 20025 , :
= 2002,5 = 50 ;
, :
200
200 = = 140 .
3. .
:
246038 + 2 = 246038 + = 718694,25
:
= =10267 ;
4. .
( ).
= = 25 / = 26
:
100% = 3,8
. .
|
|
( ).
= =
: = = 50 = 6171 - ;
= = 0,58 = 15,08 / (.1 ) 275 .
.
.12
: = = 15,08 / (.2 ) .
:
25 = 24,1/
:
= = 3,04 /
: = = =50 = .
7.30 (1):
= = = 24,7/ = 29,9/
.
= = 7,05 / = 26
: - , /
= 1,2 ;
F :
F = = 1,05 = 177,65 ;
= 1 - ;
= 5,5 ;
- ;
= b + = 16 +2 21 ;
= 2,5 ;
b = 16 ( ).
: .
3. .