1. . .
, | ||
, .. | ||
, .. |
2. . .
, | ||
, .. | ||
, .. |
:
. .
+/- | |||
-10 | |||
:
= + +
= 1000 + 200 80 + 100 20 = 1200
1 = 1200 + 220 70 + 120 30 = 1440
% = 1/ *100% =1440/1200*100%=120%
: 120%.
( ) :
- 200 . .
- 20 . .
- 10 . .
- 20 . .
( ) :
- 10 . .
1. . .
, , () | 18 000 | 18 800 |
() | ||
() | ||
() | ||
() | ||
() | ? | ? |
2. (). .
, , () | 2 500 | 3 000 |
() | ||
() | ||
() | ||
() | ||
() | ? | ? |
3. . .
, , () | 8 000 | 8 800 |
() | 600 | 700 |
() | 200 | 100 |
() | 1350 | 1380 |
() | 350 | 280 |
() | ? | ? |
|
|
. .
, | ||
, .. | ||
, .. |
:
: =V ( )
:
=V( )= 350 (120-80)=14000 ..
1= V1 ( )= 400(120-80)=16000 ..
2= V1 (1 )= 400 (100-80)=8000 ..
1 = V1 (1 1)= 400 (100-70)= 12000 ..
D= 1 = 12000 14000= -2000..
Dv= 1 = 16000-14000=2000 ..
D = 2 1= 8000 16000= -8000 ..
D= 1 2= 12000 8000= 4000 ..
: 2000 .., :
- 2000 ..
- 8000 ..
- 4000 ..