:
: . .
-409
:
. .
2007
1.
2.
2.1
2.2
2.3
2.4
2.5 -
2.6
3.
3.1
3.2 -
3.3
4
5
1.
. , , - .
, ( , ).
4,4-4,7 . -15-17, +23,0-25,0 . . . +40, -41-43.
. - , .
, , . . , .
20-25, . 5-8 .
2.
2.1 .
, , , . :
- ;
- .
, () - , , .
|
|
|
:
= ·100 ∕ [100 - ( + )].
-
- (5%)
- (20%)
=50*100 ∕ [100 - (5 + 20)]=66 .
- : = ,
, 2,5 - 5. 3.
= =50x3=150 .
. , . :
= ∙100 ∕ ﴾---+-﴿,
- , .;
- , (40-45%);
- , , (15-20%);
- , , (10-15%);
- , 3%;
- , 10%;
- , 5%.
= ∙100 ∕ ﴾ ---+- ﴿ =50x100/(40-15-10-3+10-5)=294.
. .
. :
= ∙ [ 1 + ( + ) ∕100]t
- , .
- ,(10-15%);
- ,(10-15%);
t- (10).
= 67*[ 1 + (10 + 10) ∕100]10=415
405
.
