1.
:
. 600.
560
840.
7%
, ?
:
, ; ; .
840000 + 58800 = 898800
= 840000/600 560 = 21000
= 898800/600 560 = 22470
22470 21000 = 1470
, , .
2.
115.8 ..
74,5 ..
7%
2%
?
:
74500*7% = 5215
5215*2% = 104,3
5215 + 104,3 = 5319,3
5319,3, .
3.
7800 . .
7137 . .
1 93,2 .
:
1 = /
1 = 7137/7800*100 = 91,5
93,2 91,5 = 1,7
:
7800*1,7/100 = 132,6 .
4.
6. .
40 .
32 .
.
:
:
40
6000000 32, 32 = 240000000 = 7500000
(40 32)*6000000 = 48000000
(40 32)*7500000 = 60000000
60000000 48000000 = 12000000 .
5.
:
= 66,3 . .
= 1.2
:
- | ||
31 000 | 11,5 | |
175 000 | 1,7 | |
337 000 | 1,75 | |
69,0 |
5%
:
= + - ;
,
;
, ,
.
|
|
1) = 31000*11,5 + 175000*1,7 + 337000*1,75 + 600*69 = 1285150
2) 66300*1,2 = 79560
1285150*5% = 64257,5
64257,5*1,2 = 77109
= 79560 + 1285150 77109 = 1287601
6.
:
= 100 . .
= 1.2
:
- | ||
180.
:
= + - ;
,
;
, ,
.
1) = 7000*150 + 6000*160 + 8000*100 = 2810000
2) 100000*1.2 = 120000
180000*1.2 = 216000
= 120000 + 2810000 216000 = 2714000
7.
50000 .
168000 .
450000 .
102500 .
18268 .
71000 .
.. | |
: 450000 18268 = 431732
: 102500 71000 = 31500
8.
- 10./.
15./.
15000 .
, 20.000 .
:
= 15000/5 = 3000
= 45000 30000 = 15000
= 15 10 = 5
: 20000/5 = 4000
9.
- | |||
22 | |||
11 | |||
50 | 13 155 | 13 100 | |
50 | |||
100 |
:
56. .
54. .
:
4% .
:
= + -
;
;
.
1) = 56000 54000 = 2000
2) = 50*224 + 150*26 + 57*55 + 36*30 = 19315.
3) = 36142,6 35370 = 772,6
3) = 2000 + 19315 772,6 = 20524,4
10.
20% , 250000 .
|
|
1. 7000 .
- 2000 .
, .
:
: 250000*20% = 50000
= 250000/5000 = 50
= 350000 - 100000 = 250000
= 7000 2000 = 5000
50000/5000=10
50+10 = 60 , .
11.
10000.
15%
12 2500 .
, , .
:
10000*15%/12 = 125
:
125, 125, 0, , 2500 .
12.
100000 .
220000 .
6000 .
80000 .
168000 .
4000.
?
?
1 ?
:
= /
= 220000/100000 = 2,2
= 168000/80000 = 2,1
.
= /
= 100000/220000 = 0,45
= 80000/168000 = 0,47
, , , .
1
= 6000/220000 = 0,06
= 4000/168000 = 0,05
, .
13.
7.5
7
2 /
17
:
, , .
:
= / = 7/7.5 = 0,93
= / = 17/15 = 1,13
= * = 0,93*1,13 = 1,05
14.
= 5580 . .
= 4850 . .
:
, ,
:
= /
= 1,15
:
= /
= 360/1.15 = 313
= = 1,15
= / = 0,87
15.
2 , = 5.
:
1 498 . .
1 500 . .
1 510 . .
1 506 . .
:
1. (498+500)/2 = 499
2. (500+510)/2 = 505
3.(510+506)/2 = 508
(499+505+508)/4 = 355 . .
= /
= 14
:
= /
= 90/14 ~ 6
= = 14
= / = 0,071
16.
:
- 10
, , 2
16
|
|
50% 8
180 . .
:
, , (N) () ():
N = P
180000/90 = 2000/
36/4 = 9
NM = 2000*9 = 18000
17.
:
200000, 210000
50000, 64000
: 38,5 42,4
: 100,4, 140,3
= ( + ) /
= 200000 + 50000/138900 = 1,79
= 274000/182700 = 1,49
= 1,49/1,79 = 0,83
18.
- 51733
100000
200000
63 567
>=2
= /
= 151733/263567 = 0,57
, 1, .
19.
.
. . | ||
- 14 |