:
20 % ( , )
= 0.
.
1) :
V ´ = .
1500 .
500 .
2) ( )
3) :
| : | ||
[1000-(1000´20%)]´1,8 | [500-(500´20%)]´1,4 | ||
300 | 200 | ||
(2+3) | 975 | 425 | 1400 |
( ) | (975´20%) | (425´20%) | |
* | (975-195) | (425-85) | |
( ) | |||
45,83% | 39,20% | 44,00% | |
* = |
1.
| : | ||
( ) | (1000 ´ 1,8) | (500 ´ 1,4) | 2500 |
= ( + ) | 1400 | ||
(1-2) | 1100 (2500 -1400) | ||
= | 44% (1100/2500) |
2.
| : | ||
( ) | (1000 ´ 1,8) | (500 ´ 1,4) | 2500 |
(1800 ´0,44) | (700 ´0,44) | ||
(1-2) | 1008 | 392 | 1400 |
3. ( ): =
| : | ||
(1008 - 300) | (392 - 200) |
4. ( )
| : | ||
( ) | (800 ´ 1,8) | (400 ´ 1,4) | |
708 | 192 | 900 | |
(20% ) | 201,6 (1008 ´ 20%) | 78,4 (392 ´ 20%) | |
806,4 (1008 806,4) | 313,6 (392 78,4) | ||
( ) | 633,6 | 246,4 | |
= | 44% |
|
|
| : | ||
( ) | (1000 ´ 1,8) | (500 ´ 1,4) | |
1440 | 560 | 2000 | |
(1-2) | |||
= . | |||
900 | |||
44% |