1.1
: | : |
V = 4 | M ∙ V = P ∙ Q; = ∙ = P ∙ Q; |
Q = 1300 . . . | = 1300∙1,05 = 1365 (. . .) |
P = 1,05 | M = P ∙ Q / V = 1365/4 = 341,25 (. . .) |
: | |
, PQ ? |
: M = 341,25 . . ., PQ = 1365 . . .
1.3
: | : |
1 = 1,2∙ 0 | M 1∙ V 1 = P 1∙ Q 1; Q 1 = M 1∙ V 1/ P 1; Q 0 = M 0∙ V 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 0∙ V 0/ P 0) = |
P 1 = 1,02∙ P 0 | = 1,141176∙ Q 0; |
: | PQ 1 = P 1∙ Q 1 = 1,02∙ P 0∙1,141176∙ Q 0 = 1,02∙1,141176∙ P 0∙ Q 0 = |
Q 1, PQ 1 ? | = 1,164∙ PQ 0; |
( PQ 1 = P 1∙ Q 1 = M 1∙ Q 1 = 1,2∙ M 0∙0,97∙ V 0 = | |
= 1,2∙0,97∙ M 0∙ V 0 = 1,164∙ P 0∙ Q 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 + k ∙ n / 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 . . |