.


:




:

































 

 

 

 


.




.

 

, /. . .

,

- ;

- .

, .. .

) / . . = 2.8 × 240 = 672 . . .

. . . = (2.8 + 0.35) × 240 = 756 . . .

) / . . = 2 × 270 = 540 . . .

. . . = (2 + 0.70) × 270 = 729 . . .

) / . . = 0.2 × 390 = 78 . . .

. . . = (0.2 + 0.5) × 390 = 273 . . .

) / . . = 5 × 280 = 1400 . . .

:

- / / . . . = (5 + 0.35) × 280 = 1498 . . .

- / / . . . = (5 + 0.7) × 280 = 1596 . . .

- / / . . . = (5 + 0.5) × 280 = 1540 . . .

.

. . .

,

- ;

- , -;

- .

) / . . = 0.13 × 672 = 87.36 . . .

. . . = 0.13 × 756 = 98.28 . . .

) / . . = 0.16 × 540 = 86.4 . . .

. . .= 0.16 × 729 = 116.64 . . .

) / . . = 0.38 × 78 = 29.64 . . .

. . . = 0.38 × 273 = 103.74 . . .

) / . . = 0.21 × 1400 = 294 . . .

/ :

- / / . . . = 0.21 × 1498 = 314.58 . . .

- / / . . . = 0.21 × 1596 = 335.16 . . .

- / / . . . = 0.21 × 1540 = 323.4 . . .

.

. . , . , , .

:

,

- .

:

) / . . = 87.36 ÷ 52 = 0.21 . .

. . . = 98.28 ÷ 520 = 0.189 . .

) / . . = 86.4 ÷ 700 = 0.123 . .

. . . = 116.64 ÷ 700 = 0.166 . .

) / . . = 29.64 ÷ 2700 = 0.011 . .

. . = 103.74 ÷ 2700 = 0.038 . .

) / . . = 294 ÷ 3920 = 0.075 . .

/:

- / / . . . = 314.58 ÷ 3920 = 0.08 . .

- / / . . . = 335.16 ÷ 3920 = 0.0855 . .

- / / . . . = 323.4 ÷ 3920 = 0.0825 . .

 

 

.

. . 1 .

. :

) / . . = 756 ÷ 672 = 1.125

) / . . = 729 ÷ 540 = 1.35

) / . . = 273 ÷ 78 = 3.5

/ :

- / / . . . =1498 ÷ 1400 = 1.07

- / / . . . = 1596 ÷ 1400 = 1.14

- / / . . . = 1540 ÷ 1400 = 1.1

, (.5) (.6) - :

. . :

) / . . = 16 × (40 ÷ 100%) = 6.4 . . .

) / . . = 21 × (30 ÷ 100%) = 6.3 . . .

) / . . = 7.5 × (20 ÷ 100%) = 1.5 . . .

) / . . = 44.5 × (35 ÷ 100%) = 15.575 . . .

:

. . :

) / . . = 6.4 + (16 6.4) × 1.125 = 17.2 . . .

) / . . = 6.3 + (21 6.3) × 1.35 = 26.145 . . .

) / . . = 1.5 + (7.5 1.5) × 3.5 = 22.5 . . .

/ :

- / / . . = 15.575 + (44.5 15.575) × 1.07 = 46.525 . . .

- / / . . = 15.575 + (44.5 15.575) × 1.14 = 48.55 . . .

- / / . . = 15.575 + (44.5 15.575) × 1.1 = 47.393 . . .

5) .

 

( ) , . .

=

- ;

:

) / . . = 87.36 16 = 71.36 . . .

. . . = 98.28 17.2 = 81.08 . . .

) / . . = 86.4 21 = 65.4 . . .

. . = 116.64 26.145 = 90.495 . . .

) / . . = 29.64 7.5 = 22.14 . . .

. . . = 103.74 22.5 = 81.24 . . .

) / . . = 294 44.5 = 249.5 . . .

/:

- / / . . . = 314.58 46.525 = 268.055 . . .

- / / . . . = 335.16 48.55 = 286.61 . . .

- / / . . . = 323.4 47.393 = 276.007 . . .

.

. , , .

,

- .

) / . . = 71.36 ÷ (520 + 90) × 100% = 11.698 %

. . . = 81.08 ÷ (520 + 90 + 100 + 10) × 100% = 11.261 %

) / . . = 65.4 ÷ (700 + 120) × 100% = 7.976 %

. . = 90.495 ÷ (700 + 120 + 100 + 10) × 100% = 9.731 %

) / . . = 22.14 ÷ (2700 + 700) × 100% = 0.651 %

. . = 81.24 ÷ (2700 + 700 + 100 + 10) × 100% = 2.315 %

) / . . = 249.5 ÷ (3920 + 910) × 100% = 5.166 %

/ :

- / / . . . = 268.005 ÷ (3920 + 910 + 100 + 10) × 100% = 5.4%

- / / . . . = 286.61 ÷ (3920 + 910 + 100 + 10) × 100% = 5.8 %

- / / . . . = 276.007 ÷ (3920 + 910 + 100 + 10) × 100% = 5.6 %

.

,

,

- , , %;

) / . . =

) / . . =

) / . . =

/ :

-/ / . . =

- / / . . =

- / / . . =





:


: 2017-04-14; !; : 937 |


:

:

, .
==> ...

1792 - | 1611 -


© 2015-2024 lektsii.org - -

: 0.02 .