.


:




:

































 

 

 

 





, .

, .

 

 

19

1

(+) (-) . , , %
900*   +80() 1144.3 52.7
230* 273.7 - 273.7 12.6
70* 83.3 +20() 96.6 4.4
450* 535.5 +90() -40() 546.3 25.1
30* 35.7 +8() 38.4 1.8
50* 59.5 - 59.5 2.7
10* 11.9 -3() 14.4 0.7
  2070.6   2173.2  

 

.

:900*1.19=1071 .

230*1.19= 273.7 .

: 70*1.19= 83.3 .

: 450*1.19= 535.5 .

: 30*1.19= 35.7 .

: 50*1.19= 59.5

: 10*1.19 = 11.9 .

6. :

. = .. + -

.. . , .;

. , .;

䳿 ;

.;

1 䳿

 

. = 1071 + = 1144.3 .

.. = 83.3 + = 96.6 .

. = 535.5 + - = 546.3 .

. = 35.7 + = 38.4 .

. = 11.9 + = 14.4 .

 

7. :

. = * 100

. , .

. , .

 

= *100 = 52.7%

= * 100 = 12.6%

= * 100 = 4.4%

= * 100 = 25.1%

= * 100 = 1.8%

= * 100 = 2.7%

= *100 = 0.7%


. 98000*  
. 300*  
ʳ  
ʳ  
8.3* 9.9
11* 13.09
. 96000*  
1 . 24.7* 29.4
. 48000*  
. 11945.9

 

:

: 98000*1.19=116620 .

- : 300*1.19=357

: 8.3*1.19 = 9.9

: 11*1.19=13.09

: 96000*1.19= 114240 .

1 : 24.7*1.19= 29.4 .

= 4800*1.19= 5712 .

 

 

8.1.

. = = = 53.7

8.2

. = = = 0,02

8.3

= = = 6.1 ./.

8.4

= 8.3*24.7*410=84054.1 .

= 96000-84054.1=11945.9 .

= = *100 = 549.7

8.5 :

ʳ = = = 0.7

8.6 :

= = = 0.8





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