.


:




:

































 

 

 

 


()




 

( ) . . , . () . , ( - ), , , .

. . , . , , , , .

, , .

, .

, , .

.

.

() , .

 

= 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%.

 

 





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