, .
, .. . ( ).
:
- 5.
- , .
∆
:
;
. .
A∆ = 2 +0,45.
1. ( )
1. .
1., 2., 3.
2. :
- A∆ = 2;
- ES A∆ = +450, EI A∆ = 0;
-
3. () ( ).
1 = 108 ; 2 = 40 ; 3 =70 .
4. .
A ∆ = Σ A . - Σ A . (1)
A∆ = (A2 . + A3 .) A1 .
2 = (40 +70) 108 = 2 ,
.. .
5. :
, (2)
m ,
n .
6. , (1) .=150 : 2 = 160 , 3 = 120 .
7. 1 , (3)
∆ = Σ i (3)
∆ = 1 + 2 + 3
450 = 1 + 160 + 120; 1 = 170 .
|
|
9. +, (), -, (h). (Js).
, 2 3 ( +, -), ( 1):
2 = 40+0,16; 3 = 70+0,12.
10. 1.
11. 1 .
(4)
∆ = (2 + 3) - 1;
+225 = (+80) + (+60) - 1; 1 = +140 225 = -85 .
12. ∆ = (2 + 3) - 1;
1 : 1 = 108 -0,17.
13.
.
EIA∆ =
, , .