( ) . . , . () . , ( - ), , , .
. . , . , , , , .
, , .
, .
, , .
.
.
() , .
= N/, (13)
N .
:
1 = 15/0,5=30 .
2 = 23/1=23 .
3 = 18/1,5=12 .
4 = 15 .
:
= N/*n, (14)
n .
= i *n,
:
1 = 30*4 = 120 .
2 = 23*4 = 92 .
3 = 12*4 = 48 .
4 = 15*4 = 45 .
y :
= (15)
.
+ = (16)
1 = 30+120=150 .
2 = 23+92=115 .
3 = 12+48=60 .
4 = 15+45=60 .
, , . . :
|
|
= + ... (17)
, :
=* (18)
.
= 360
= t,.
6- 73 .
= 360-73=287
=-t. . .,
t. . . ( 35).
= 287-35 =252
:
=/. (19)
1 = 287/252 = 1,149
= 269/234 = 1,150
:
1 = 150*1,149= 172 .
2 = 115*1,149= 132 .
3 = 60*1,150= 69 .
4 = 60*1,150= 69 .
:
= 1+2+3+4 = 172+132+69+69=442 .
( ), .
:
.1 =30-15=15 .
.1 = 15*4=60 .
. 1 = 15+60=75 .
..1 = 75*1,149=86 .
:
= 360-104-12 = 244 ( )
= 244-35 = 209
2 = 244/209=1,167
..2 = 15*1,167=18 .
:
.. =86+18=104 .
= 50 .
:
= + + (20)
= 442+104+50= 596 .
5%.
:
1=172*1,05=181 .
2=132*1,05=139 .
3=69*1,05=73 .
4=69*1,05=73 .
= 182+139+73+73=466 .
.
= 466+104+50 = 620 .
, :
= (-)/*100%= (620-596)/596*100% = 4,03%.
4,03% 5%.