1. ϳ 1000 . :
10 . / .
14 ./.
20,4 ./.
3120 .
100 .
560 .
520 .
ֳ 70 . / . . , , .
':
/ = 10+14+20,4 = 44,4 ./.
= 44,4*1000 = 44400 .
= 8120+10000+25600+5200 = 48920 .
= 4440+48920 = 93320 .
= 4440/93320 = 47,58%
= 48920/93320 = 52,42%
=48920/(70-44,4)=1911 .
2. ij , , : 45 ., 1000 ., - 40000 ., ..: - 15000 ., 8000 ., -600 . : 1. . 2. . 3. 25%. 4. .
':
1. = 15000+8000+600 = 23600 .
2. = 40000 23600 = 16400 .
3. / = 23600/1000 = 23,6 .
4. 1 = 23600*0,75 = 17700 .
5. 1 0 =(45*1000*0,75 17700 16400) - (45*1000 23600 16400) = -350 5000 = -5350 .
3. ϳ 54 . 200 . 2680 ., 32 .
: 1. , 22 ., 170 .?2. 49 ., 220 .? 3. , 300 . ?
':
=54*200-2680-32*200=1720 .
1) 1 = 54*170-2680-170*22= 2760 . ;
2) 2 = 49*220-2680-220*32= 1060 . ;
3) =(2680+1720+300)/(54-32)=214 . 214 .
4. ϳ 10 .. - 4,6 .. 250 000 . 925 000 .. 5,25 .. ?
':
5,25 ≥ 4,6 -
5. ϳ 85 . 65 . ϳ 1000 ..
:
1. ?
|
|
2. , 95 .?
3. , 55 .?
4. , 1000 .
5. 1000 . ?
':
1) 1 = 1000/(85-65) = 50 .
2) 2 = 1000/(95-65) = 34 .
3) 3 = 1000/(85-55) = 34 .
4) 4 = (1000+1000)/(85-65) = 100 .
5) = 100 50 = 50 .
6. ϳ 4000 150 .. . 100 ../., 35 000 . ³ : 20 000 . 150 000 . ³ 50%. ? ( ).
':
1 = 4000*150000-35000-100000*4000 = 199,965 ..
2 = (4000*1,5)*(150000-20000)-(35000+15000)-100000*(4000*1,5) = 600*130000-35000-15000-60000000= 17,95 ..
7. ϳ 400 260 .. . 150 . ./., 35 000. . ³ : , 35 000 . . , 300 . .
':
1 = 400*260000-35000000-150000*400 = 9 ..
2 = 300*260000-35000000-300*(150000-35000) = 8,5 ..
8. ϳ 300 200 .. . 90 ../., 30000 .. . ³ : ( 8000 ..) 20 .. . ³ , 15%. ?
':
1 = 300*200 90*300 30000 = 3 ..
2 = (300*1,15)*200-(30000-8000)-(300*1,15*150+300*1,5*20) = 36,5 .
9. ϳ 150 . . 95 . ϳ , 1600 . :
1. ?
2. , 165 ?
3. , 15 .?
|
|
4. , 1200 . ?
':
1) 1 = 1600/ (150-95) = 30 .
2) 2 = 1600/(165-95) = 25 .
3) 3 = 1600/(150-70) = 20 .
4) 4 = (1600+1200)/(150-95) = 51 .
5) = 51 30 = 21 .
10. 70%, 20%. 500 .. 60 .. . .
':
1) 1=500-(60+440*0,7)=132 ..
2=500-(60+440*0,2)=352 ..
2) 1=132/0,3=440 .
2=352/0,8=440 .
3) 1=(500-440*0,7)/60=3,2
1=(500-440*0,2)/60=6,9
11. ϳ 100 . . ֳ 2570 . - 50 .., -88,5 .. . ( ) :
1) 10%- . ?
2) 10%-
3) 10%-
4) 10%- . , .
':
1) 1 = 2570*100-(50000+88,5) = 118,5 ..
2 = (2570*1,1)*100-(50000+88,5) = 142,2 ..
2570*1,1* ((50000/100)*+88500) = 118,5 ..
= 89 .
Δ = 100-89 = 11 .
2) Δ=50-50*0,1=45 ..
3= 2570*100-(45000+88500)=123,5 ..
= 123500-118500=5..
5000/118500*100 = 4,92
3) 88,5-8,85 ≤ 79,65
2570*100-(50000+79650) = 127350 .
Δ = 127500-118500 = 8850 .
8850/118500*100=7,4
4) 100-10=90 .
2570*90-((50000/100)+88500) = 97800 .
12. (,,), . 1 ϳ 50 .. .
1
ֳ , . | 3,0 | 3,0 | 3,0 |
, . | 2,0 | 1,5 | 1,5 |
- , .. | 30,0 | 54,0 | 81,0 |
':
1) 1=50*3-(2*50+30)=20 ..
1=50*3-2*50=50 ..
1=50/20= 2,5
2) 2=50*3-(1,5*50+54)=21 ..
2=50*3-1,5*50=75 ..
2=75/21= 3,57
3) 3=50*3-(1,5*50+81)= 6 ..
3=50*3-1,5*50=75 ..
3=75/6= 12,5
13. , 80 .., 21%. 30 .. 20 ..
':
1) :
= 80-80*0,21= 63,2 ..
2) :
= 30-20=10 ..
3) :
= 10*0,21 = 2,1 ..
4) , :
1 = 10-2,1 = 7,9 ..
5) :
= 63,2-7,9 = 55,3 ..
14. 100 .. , 50:50. 160 .. , .
':
1) :
80 .. ; 80 .. ;
|
|
2) , :
= 100-80=20 ..
= 20*100/100=20%
15. .4.1.
4.1
, . . | |||
52,5 | |||
- | |||
, | 372,5 | ||
( ) | 112,3 | 89,5 | 156,7 |
, 18,5%.
4.2
/ | ||||
, . . | 372,50 | 434,00 | 484,00 | |
, . . | 112,30 | 89,50 | 156,70 | |
, % | 18,50 | 18,50 | 18,50 | |
, . . (.1 * .3 / 100) | 68,91 | 80,29 | 89,54 | |
, % (.4 / .2*100%) | 61,36 | 89,71 | 57,14 |
, , . , (2- ) .
, 18,5%, 3- 12 . .
4.3.
/ | ||||
, . . | 372,50 | 434,00 | 484,00 | |
, . . | 112,30 | 89,50 | 156,70 | |
, % | 18,50 | 18,50 | 18,50 | |
, . . (.1*.3/100) | 68,91 | 80,29 | 89,54 | |
, . . | 12,00 | |||
, . . (.4+.5) | 68,91 | 80,29 | 101,54 | |
, % (.6 / .2*100%) | 61,36 | 89,71 | 64,80 |
. ³ 3- , . , , .
, 18,5%, 1,5%.
4.4.
/ | ||||
, . . | 372,50 | 434,00 | 484,00 | |
, . . | 112,30 | 89,50 | 156,70 | |
, % | 18,50 | 18,50 | 18,50 | |
, % | 1,5 | 1,5 | ||
, % | 18,50 | 18,78 | 19,06 | |
, . . (.1*.5 / 100) | 68,91 | 81,49 | 92,25 | |
(.6 / .2*100%) | 61,36 | 91,06 | 58,87 |
. . , 2- 20%, 18%, . 3- 2- 75%, 13%. .
|
|
16. , , : 55% .
250 ..; 50000 .; 45 .;
':
1 :
= 250/50 = 5 .;
:
/ = 45/5 = 9;
:
= 250*0,55 = 137,5 .;
1 :
= 137,5/50 = 2,75 ./.
, :
1 = 137500/(40+2,75) = 3216
ʳ , :
2 = 50000-3216 = 46784
:
2 = 250000/46784 = 5,34 .
:
2 = 5,34*9 = 48,06 .