: . ∆%=75%
5
; 3 | V | V1=170 | V2=166,18 | |
% | 1=3% | 2=0,75% | ||
. | =2695 | _______ |
:
1. .
2=1-(%/ 100%)*1 (%)
2=3%-(75%\100%)*3%=0,75%
,1 , %;
- % .
2=3%-(75%\100%)*3%=0,75%
∆V=[(1-2)\100]*V1(.;3 )
∆V=[(3%-0,75%)\100]*170=3,82(.)
∆V2=∆V1-∆V(.)
∆V2= 170-3,82=166,18.
2. .
=∆V*(.)
, - ,
∆V- ,
- .
=3,82*2695=10294,9 .
:
2
: =4,6
6.
1.- 1 - | . | - | 1=13280 | 2=13280 |
2. - | - | - | 1-=186,5 | 2-=177,9 |
3. | . | 500:1000 | ____ |
:
1. - .
=( %/100)*1- (-),
% - .
1 - .
=(4,6/100)*186=8,5 (-),
2-=1- - - (-),
2-=186-8,5=177,9 -.
() , 500-1000
2.
=( -*-) (*) (.),
- (0,16).
- - 1 -, (.)
=(8,5*13280) (600*0,16)= 959384 .
:
3
: %= 3,55%
7.
1. | % | 1=3,55% | ____ | |
2. | 1=73 | 2=70,41 | ||
3. | . | 1=24 | 2= |
|
|
1. =(/100)*1 (),
1 ;
, %
=(3,55/100)*73=2,59 .
2=1- (),
2 , .
2=73-2,59=70,41 .
2. :
=(/100)*2*1 (./),
1 .
=(3,55/100)*70,41*24=59,99 ./.
=* (.),
- , . ;
= 198,64*59,99.
, .
=/,
, ;
= 14500,68/73
, .
=(*30%)/100 ()
=(48335,6*30%)/100=14500,68 .
:
4