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 . .