-
, i . 4.2, 4.3, 4.4.
, i ( << i), : = + ∆ + ∆ (4.1)
(/).
=∑i×i (4.2)
i , / ( 4.3)
i , / ( 4.4)
, , :
∆ =∑ i ×(i - i) (4.3)
i , / ( 4.3)
i , / ( 4.4)
, : ∆ = 5 ∑ i ×(i i) (4.4)
i 4.2.
, i . 4.1.
4.1- , /
, / | , / | , / | |
:
1. 4.2, 4.1 ( ) 4.3 ( ):
=∑i × i = 40×50+257×20+52×30+11,2×4+35×5+683×6=13017,8(/).
2. , 4.3:
∆=∑i×(i-i)= 200×(65-50)+1285×(25-20)+260×(40-30)+56×(6-4)+175×(6-5)+3415× (10-6) =25972 (/).
3. 4.4. , .:
∆ = 5 ∑ i ×(i i)= 5× (200×(70-65)+ 175×(8-6)+3415×(12-10))=40900 (/).
|
|
4. 4.1:
= + ∆ + ∆= 13017,8+25972+40900=79889,8 (/).
4.2- , /
4.3-
11,2 | ||
4.3-
, / | ||||||||
, / | ||||||||
.
1. .
2. .
3. ? .
1. : / .., . ., . ., . ., . .; . .. - .: , 2015. - 368 .
2. : / .., .., .., .. - .: , 2015. 256 . - (" ").
3. : / .. , .. , .. . - 6- . - .: , 2014. - 416 ., . - ( ).
4. . ( 52.04. 186-89). , 1991.
|
|
5. .. . : . .: , 2004.
.
:
: 21.02.17
1 |
.. 5