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5. .




1

4. . :

.
..    
   

= 8500 / 265 = 32,075 .

= 6580 / 235 = 28 .

= 6580-8500 = - 1920 ..

% -1920 / 8500 = - 22,6 %

= * ( ) = 235 * (28 32,075) = -958 ..

% = -958/8500 = -11,3 %

= ( ) = 32,075 (235 265 ) = - 962 ..

% = -962: 8500 = -11,3 %

5. . Ĕ 1220 .., 870 .., 990 .. г 510 .., 12 ., 5 . 1 . .. 10 . 50% , . . 6 ., 14 . 270 . .

г: = 510/270 (12+5+1 )= 34 ..

=

= (870*0,5 + 0,5*870*0,5) / 870 = 0,75

= 870/270 10 0,75 = 24,2 ..

= .. . = 990/270 6 = 22 ..

³ .. = 1220/270 * 14 = 63,3 ..

:

= 34+ 24,2 + 22 +63,3 = 143,5 ..

6. . 21500 .. 3850 .. 5640 .., 85 % . 2310 3100 .. : 1200 . . 3750 .. . 53 % . , , .

г:

= 21500+3850+ 5640*0,15 = 26 196 ..

= 26196 + (3100-2310) = 26986 ..

= 26196 + (1200 3750) = 23646 ..

= 26196-0,53*26196= 12312,12 ..

2

4. . , .

, ..
1.    
2.    
3. ³    
4.    
5.    
6. ,    
7. +14 -12
8. -8 +5
9. - 62 +24
10.    

г:

= 1060+469+179+220+30 = 1958 ..

= 1410+620+235+210+45= 2520 ..

= - .

= 1958 70 14 - 8 = 1866 ..

= 2520 - 64 +12 +5 = 2473 ..

= ,

= 1866 + 62 = 1928 . .

= 2473 24 = 2449 ..

= + .()

= 1928 + 64 = 1992 ..

= 2449 + 80 = 2529 ..

5. . 6200 .. 2800 .., 200 .., 790 .., 310 .., 50 .. г 22%. .

г:

= 6200*0,22/1,22= 1118,03 ..

= 2800+200+790+310+50 = 4150 ..

= 790+310+50 = 1150 ..

= 1118,03/ 4150 = 26,94%

= 1118,03 / (2800 + 790) = 31,14%

= 1118,03 / 1150 = 97,22 %

= 6200 / 1150 = 5,39

= 360 / 5,39 = 67

= 1150/6200 = 0,185

6. . , , 15%.

           
, ..       -   -
, .. -          
, .. -          
    --- -- -- -- -- -- --

г:

           
,..       -   -  
,.. -            
, -            
=+ -            
( 15%)   0,87 0,756 0,658 0,572 0,497  
      -   -  
- 1000,5   888,3 829,4 646,1 4309,3

= = 4309,3 1751 = 2558,3 ..

=/ = 4309,3 / 1751 = 2,46

3

4. . . 12500 .. 320 , 75 % , , . 10%, 5% 25 .

г:

= 12500 / 320 = 39,063 ..

= 12500 * 1,1 = 13750 ..

= (320 * 0,75) *1,05 = 252 .

= (320 * 0,25) - 25 = 55 .

= 252 +55 = 307 .

= 13750 / 307 = 44,788 ..

% = (44,788/39,063 1) * 100% = 14,7%

5. .

850 .. 2% . 6 , 8 .. .

г:

= 850 + 0,02 850 = 850 + 17 = 867 . .

, = 867-8 = 859 ..

г :

= 859: 6 = 143,17 ..

: N=((6+1)*6)/2 = 21

1 = 859* 6/21 = 245,43 . .

2 = 859 * 5/21 = 204,52 ..

3 = 859* 4/21 = 163,62 ..

4 = 859 * 3/21 = 122,71 ..

5 = 859 * 2/21 = 81,81 ..

6 = 859* 1/21 = 40,90 ..

= 245,43+204,52+163,62+122,71+81,81+40,90= 858,99 ..





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