. . |
7.2.
N = L /L = 220/0,75=293 .
L = L - L =2500-100=2400
= + * L = 465 000 + 4 200 * 100 = 46 920 ..
(465 000)
(4 200)
L- + (100)
= + * L = 225 000 + 3 150 * 100 = 22 815 ..
- (225 000)
- (3 150)
L (100)
= + * L = 96 700 + 1 600 * 625 =61437500 ..
(96 700)
- (1 600)
L /4 (2500/4=625)
= * /100
= /12
= + +
=
= *25 = 848,25* 25= 21206,25
7.3.
∑ =∑ + ∑
:
1 ( )
2 , , , , , ,
:
1
2
3
4
6
7