87. 400000 50000 100 . 25% . .
N=400 :
N=50 400 100%
=100 - 25%
=100 =(400*25)/100=100
=25% N :
=100000*100 =10000000=10
-?
-? , :
=400000*100 + 50000*100 =45000000=45
³: 10 ; 45 .
750 . .. 350 . .., 8 . 300%. , .
= 750 . . =c+v
= 350 . . V= K c = 750 . . 350 . . = 400
m'= 300% - = 8 m'= m/v *100%
m= m'*v/100%= 300%*400 . . /100%=1200
m+v-? v+m=400 . .+ 1200 . .= 1600 . .
, :
(m+v)/8= 1600 . ./8=200 . .
120 . ., 50 . ., 20 . ., 7 . ., 3 . . 40 . . , .
W=120 . . = 120 . .+50 . .= 170 .
W= 50 . . = 20 .+ 7 ..+3 .+40 . .= 70 . .
W= 20 . . = 120 .+50 . + 20 .+ 7 . .+3 . =
W= 7 . . = 200 . .
W= 3 . .
V = 40 . . /v= 200 . ./ 40 . .=5/1

- ?
- ?
/v - ?
: - 260 .., - 60 .., - 500 .. 4:1, - 240 .., 5:1, - 50%, - 30, 120, 20 .. .
:

(. .)
V(. .)
C/V
M'(. .)

(. .)
W(. .)
k(. .)
P'c.(. .)
P(. .)
(. .)
<W
=W
> W


260
60
-

50
30
30
120
90

10
26
116
4
-
-


500
100
4/1

120
50
270
220

50
270
-
0
-


240
40
5/1

20
20
80
60

24
84
-
-
4


:
<W -?
=W - ?
> W - ?
:
/V=4/1; C=4 V ;
K= 4 V + V=5 V;
V= K/5; V=500/5= 100 . .;
/V=5/1; =5 V;
= 5 V + V=6 V;
V= /6; V= 240/6 = 40 . .;
= '* V/100%;
= '*V/100%; = 50%* 60/100%= 30 . .
= '*V/100%; = 50%* 100/100%= 50 . .
= '*V/100%; = 50%* 40/100%= 20 . .
W= Cc + V+ M;
Wa= Ca Va + Ma; Wa= 30+60+30= 120 . .
W= C V + M; W= 120+100+50= 270 . .
W= C V + M; W= 20+40+20= 80 . .
k= Cc + V;
Ka= Ca + Va; ka= 30+ 60= 90 . .;
K= C + V; k= 120+ 100= 220 . .;
K= C + V; k= 20+ 40= 60 . .;
P'c= ? /? K*100%; P'= (30+50+20)/(260+500+240)*100%= 10 %
P= *';
P =* '; = 260* 0,1= 26 . .;
P =* '; = 500* 0,1= 50 . .;
P =* '; = 240* 0,1= 24 . .;
= k+ P;
= k+ P ; = 90+ 26= 116 . .
= k+ P ; = 220+ 50= 270 . .
= k+ P ; = 60+ 24= 84 . .
< Wa; - Wa=116-120=-4 . .
=W; W=270-270=0 . .
< W; W=84-80=4 . .