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1




1.1

: :
V = 4 MV = PQ; = = PQ;
Q = 1300 . . . = 1300∙1,05 = 1365 (. . .)
P = 1,05 M = PQ / V = 1365/4 = 341,25 (. . .)
:  
, PQ ?  

: M = 341,25 . . ., PQ = 1365 . . .

1.3

: :
1 = 1,2∙ 0 M 1V 1 = P 1Q 1; Q 1 = M 1V 1/ P 1; Q 0 = M 0V 0/ P 0;
V 1 = 0,97∙ V 0 Q 1 = 1,2∙ M 0∙0,97V0/1,02∙ P 0 = (1,2∙0,97/1,02)∙(M 0V 0/ P 0) =
P 1 = 1,02∙ P 0 = 1,141176∙ Q 0;
: PQ 1 = P 1Q 1 = 1,02∙ P 0∙1,141176∙ Q 0 = 1,02∙1,141176∙ P 0Q 0 =
Q 1, PQ 1 ? = 1,164∙ PQ 0;
  ( PQ 1 = P 1Q 1 = M 1Q 1 = 1,2∙ M 0∙0,97∙ V 0 =
  = 1,2∙0,97∙ M 0V 0 = 1,164∙ P 0Q 0 = 1,164∙ PQ 0).

: Q 1 = 1,14∙ Q 0, PQ 1 = 1,164∙ PQ 0, 14%, 16,4%.

1.7

: :
= 400 . . = ( - + - )/ V
= 1900 . . MV = - + - ;
= 500 . . = + - - MV;
= 120 . . = 1900 + 500 - 120 400∙5 = 280 (. .).
V = 5  
:  
?  

: , , 280 . .

1.9

:

153,0 125,1 251,5 85,9 618,0 395,0 495,0 298,4 52,1 419,4 314,7

: 3 ?

:

0 = 495,0 (. . .)

1 = 495,0 + 618,0 + 419,4 = 1532,4 (. . .)

2 = 1532,4 + 125,1 + 251,5 + 85,9 + 395 = 2389,9 (. . .)

3 = 2389,9 + 298,4 + 314,7 = 3003 (. . .)

: 3 3003 . . .

 

 

1.14

: :
I = 230 I + G + X = T + S + M ;
G = 190 M = (I + G + X) - (T + S) = (230+190+50) - (180+250) = 40;
X = 50 G - T = 190 - 180 = 10;
T = 180 = - ; = + ;
S = 250 = 820 + 180 = 1000.
= 820  
:  
M, G - T, ?  

: 40 . . .,
10 . . .,
1000 . .

 

 

1.17

: :
= 121 000 = /(1 + i) n
= 100 000 (1 + i) n = M / P; i =
n = 2 = 0,1 = 10%
:  
i ?  

: i = 10% .

 

1.18

: :
M = 8000 . . P = A /(1 + i)1 + A /(1 + i)2 +... + A /(1 + i) n + M /(1 + i) n
A = 150 . . P = 150/(1,11)1+150/(1,11)2+150/(1,11)3+150/(1,11)4+
i = 11% + 8000/(1,11)4 = 5735,215 (. .)
n = 4  
:  
P ?  

: 5735,22 . .

1.20

: ( %):

2,1 0,6
1,4 0,4
0,9  
0,7 0,9
- 0,7 1,5
1,0 1,7

: .

:

, :

I 1 = 1,021 I 7 = 1,006

I 2 = 1,014 I 8 = 1,004

I 3 = 1,009 I 9 = 1,00

I 4 = 1,007 I 10 = 1,009

I 5 = 0,993 I 11 = 1,015

I 6 = 1,01 I 12 = 1,017

: (.. 110,9851%, 10,9851%).

: I 1998 = 110,9851%.

 

2

 

2.2

1 2
     
     
     
    102,5
    417,5
   
     
       
       

, R, , D, , r.

R = 820∙12,5%/100% = 102,5 . .

170 - 102,5 = 67,5 . ., 67,5 . .

 

 

2.4

: :
D R + D C = 7000 . . D D = (D R + D C)/(r + c + e + r `∙ t)
r = 8% c = 21% D D = 7000/(0,08 + 0,21 + 0,03 + 0,06∙3) =
e = 3% r ` = 6% = 14 000 (. .)
t = 3  
:  
D D ?  
: D D = 14 000 (. .)

2.5

: :
D R + D C = 14000 . . MM 1 = D M 1/(D R + D C) =
r = 8% c = 18% = (D D + D C)/(D R + D C);
e = 4% r ` = 5% D D = (D R + D C)/(r + c + e + r `∙ t);
t = 2 D D = 14000/(0,08 + 0,18 + 0,04 + 0,05∙2) =
: = 35 000 (. .); D = c ∙D D;
MM 1 ? MM 1 = (35000 + 0,21∙35000)/14000 = 3,025.
: D MM 1 = 3,025.

2.7

: :
P = 500000 . . S = P ∙(1 + kn / N); k = (S / P - 1)∙ N / n
n = 10 . k = (727500/500000 - 1)/(12/10)
S = 727500 . . k = 0,546 = 54,6%
:  
k ?  
: k = 54,6%/

2.10 2.13

. .

, , , 2 300 . . 330 . ., :

g = (330 - 300)/300 ∙ (12/2) = 0,6 ( 60% ).

2.12

: :
P = 200000 . . I 1 = 200000∙0,68∙2/12 = 22666,67 . .
t 1 = 2 . k 1 = 68% I 2 = 200000∙0,75∙1,5/12 = 18750 . .
t 2 = 1,5 . k 2 = 75% I 3 = 200000∙0,65∙1,5/12 = 16250 . .
t 3 = 1,5 . k 3 = 65% I = 57666,67 . .
: S ? S = P + I = 200000 + 57666,67 = 257666,67 . .
: S = 257666,67 . .




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