3=* (4.1)
3 - ; ;
- ; ;
- 8,30 .
=160*8,30=1328
, .
.
4.1 -
| ʳ | ||
| , | ||
= (31-8-3) * 8=208 ();
ϳ , .
.
=/ (4.2)
- ;
- ;
- .
, 1500
=1500/208=7,21 ().
.
3=64*7.21=461,44 ().
= */*100% (4.3)
-
- , 20%;
3=1328*20/100=133,24 ().
= (+) * 36,76/100 (4.4)
: - , .
= (1328+133,24) * 36,76/100 = 537,15 ().;
=+* , (4.5)
- , .,
- , .
- , . (2 ).
- .
=45+5+28=78 ().
=*, (4.6)
- , ;
- ;
- .
, : 20,00 , 45,00 , 15,00 , 200,00 , 2 .
=20,00*2+45,00 *2+15,00+200,00=501 ().
.
=501*1=501 ().
=*. (4.7)
0 - , ,
, - ; ;
- . /.
=/*n*I, (4.8)
0 - , .;
- 0.9%;
- ;
- , .
=4000/ (0,9*230*8) =2,4 /
0=64*2,4=153,6 ()
=*25/100, (4.9)
- , .
=1328*25/100=332 ()
4.2 -
| . | ||
| 133,24 | . | |
| ³ | 299,80 | , |
| 78,00 | . | |
| . | ||
| 153,6 | ||
| 2825,64 |
|
|
|
=*10/100. (4.10)
- ; .
=2825,64*10/100=282,56 ()
- , . , , .
4.3 -
| . | |||||
| 133,24 | . | ||||
| ³ | 299,80 | . | |||
| 78,00 | . | ||||
| . | |||||
| 153,6 | |||||
| 282,56 | . | ||||
| . | |||||
=+, (4.11)
- . .;
- , .
- . .
=*25/100 (4.12)
=565,12* 25/100=141,28 (.)
=565,12+141,28 = 706,4 ()
=/*100% (4.13)
=141,28 /565,12*100%=25%
5.1
- , , , , , ( ), , - ' , , , , . -㳺 , , , , - ( 90/270/ , 89/391/, 89/654/, 89/655/, 5, в).
:
- ,
;
- (,
, , );
-
.
:
- ;
- ' ;
- ;
- ;
- ;
- , , .
