.


:




:

































 

 

 

 


Ii.

I.

1. , . .

,

, .;

- , .

2. , . .:

, %:

, %;

, .;

, .

 

,

, .

, .

, %.

= 80/15 = 5,3%

= 5,3*2 = 10,6%

= 9 000*10,6% /100 = 954 . .

= (9 000-954)*10,6/100 = 852,876 . .

= (9 000-954-852,876)*10,6/100 = 762,47 . .

4 = (9 000-954-852,876 -762,47)*10,6/100 = 681,64 . .

5 = (9 000-954-852,876 -762,47 -681,64)*10,6/100 = 609,39 . .

6 = (9 000-954-852,876 -762,47 681,64 -609,39)*10,6/100 = 544,8 . .

7 = (5139,62-544,8)*10,6/100 =487,05

8 = (4594,82-487,05)*10,6/100 =435,42

9 = (4107,77-435,42)*10,6/100 =389,26

10 = (3672,35-389,26)*10,6/100 =348

11 = (3283,09-348)*10,6/100 =311,11

12 = (2935,09-311,11)*10,6/100 =278,14

13 = (2623,98-278,14)*10,6/100 =248,65

14 = (2345,8-248,65)*10,6/100 =222,3

15 = (2097,194-222,3)*10,6/100 =198,7

= 954+852,876+762,47+681,64+609,39+544,8+487,05+435,42+ 389,26+348+311,11+278,14+248,65+222,3+198,7 = 7323,806 . .

= 9 000-7323,806 = 1676,194 . .

= (9000+1676,194)/2 = 5338,097 . .

 

1.2.

3-7. t , . .

 

,

t t , .;

,%;

- , .;

.

 

1= (10,6%/100)*9000*2 = 1908 . .

2= (10,6%/100)*(9000-1908)*2 = 1503,5 . .

3= (10,6%/100)*(9000-1908-1503,5)*2 = 1184,76 . .

4= (10,6%/100)*(9000-1908-1503,5-1184,76)*2 = 933,6 . .

5= (10,6%/100)*(9000-1908-1503,5-1184,76-933,6)*2 = 735,67 . .

= 9 000-735,67 = 8264,33 . .

= (9000+8264,33)/2 = 8632,165 . .

 

1.3.

8-12. t , %:

 

,

t t , %

, ;

t

 

1 = (2*(15-1+1))/(15*(15+1))*100 = 12,5%

2 = (2*(15-2+1))/(15*(15+1))*100 = 11,7%

3 = (2*(15-3+1))/(15*(15+1))*100 = 10,8%

4 = (2*(15-4+1))/(15*(15+1))*100 = 10%

5 = (2*(15-5+1))/(15*(15+1))*100 = 9,2%

 

13-17. t , . .

 

,

t t , .;

, .

 

1= 9000*12,5% = 1125 . .

2= 9000*11,7% = 1053 . .

3= 9000*10,8% = 972 . .

4 = 9000*10% = 900 . .

5= 9000*9,2% = 828 . .

II.

 

18. , .

 

 

- , .;

- , .;

- , .;

- .;

- ( ), .;

- .;

- , .;

= (8*80)-(1*10)+(5*160) = 640-10+800 = 1430 . .

 

19. , .

- , .

- , .

- , .

n , .

= (8*80)+((8+5-1)*160)/2 = (640+1920)/2 = 1280 . .

 

20. , .

 

 

, .;

, .;

n1 .

n2 .

 

= (160*6,5)/12-(10*7,6)/12 = 86,6-6,3 = 80,3+640 = 720,3 . .

 

21-22. () , %

 


, %;

, .;

, .

= (640-120)/(5*640)*100% = 16,2%

 

23. , .

- , .

- , .

n

= 8*80*(16,2%/100) = 103,68 . .

 

24. , .

 

 

- , .

n , .

= (8+5-1)*80*(16,2/100) = 155,52 . .

 

25. , .

t

= (1*80*0,162*6)/12 = 6,48 . .

 

26. , .

- , .;

- , .;

- , .;

- , %

t

= (5*160*(3/100)*6)/12 = 12 . .

 

27. , .

 

 

= 155,52+6,48+12 = 174 . .

 



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