.


:




:

































 

 

 

 


15. .

 

15.1. 8281 .. 6% ; 470 ..; 520; 250; 157; 723; 605; 115 .. , , .

 

.

 

= = 8281 (8281*0,06) = 7784,14

= = 7784,14 ( ) = + = 7784,14 520 + 250 = 7514,14

= ()

= . . + + . = 7514,14 115 157 470 + 605 = 7377,14

= 7377,14 723 = 6654,14

 

15.2. 1800 .., 300; 600; 15% , 300, 6000 .. ?

 

.

 

= + + + + = 1800 + 300 + 300 + 600 + (6000*0,15) = 3900

 

15.3. (. . ) :

) ;

)

200

15

. 60

70

250

18

15

36

100

31

10

 

.

 

= + . + ( + ) + ( ) = 250 + 60 + (70 + 15) + (15 36) = 374

= + + ( ) + + + = 200 + 31 + 100 + 10 + 15 + 18 = 374

= = = 374 15 18 = 341

 

15.4. , 2 : ( ) ( ). 500 ( 2 ..) 20 ( 10 .). 5 .

:

) ;

) ;

)

)

 

.

 

= ∑P*Q = (500*2) + (20*10) = 1200

= = 1200 (- Y * ) = 1200 (5*10) = 1150

= Qx*Px = 500*2 = 1000

= Qy*Py = 20*10 = 200

= = 200 5 = 150

 

 

15.5. 5000 .. 3200 .., 900 ., 80 .. :

) ;
) , 350 ..;

) , 150 ..

 

.

 

= . + + + =>

= . = 5000 900 3200 80 = 820

= => = = 350 80 = 270

= = 5000 150 = 4850

 

15.6., 3 . ( ) 2 . ,

(1982 . - ).

 

.

 

Q0 P0.

Q1 P1.

 

= PL = (∑P1* Q0)/(∑ P0* Q0) = (15*10 + 24*6 + 425*3)/(10*10 + 27*6 + 655*3) = 1569/2227 = 0,704

= Pp = (∑P1* Q1)/(∑ P0* Q1) = (15*8 + 24*7 + 425*5)/(10*8 + 27*7 + 655*5) = 2413/3544 = 0,6808

= PF = (PL* Pp)0,5 = 0,6926

 

15.7.

 

     
       
       
       

 

.

 

(2009 ) Q0 P0.

(2010) Q1 P1.

 

= (300*1 + 150*4+50*8) / (200*1+100*3+60*6) = 1,5



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