I. :
(1)
n , . n = 4 100 2.
(1) .
i / | (), / | ()2, (/)2 |
( ) | ( ) | ( ) |
70 68,75 = 1,25 | 1,252 = 1,5625 | |
68 68,75 = 0,75 | 0,752 = 0,5625 | |
72 68,75 = 3,25 | 3,252 = 10,5625 | |
65 68,75 = 3,75 | 3,752 = 14,0625 | |
/ | = 4,5 + 4,5 = 0 | =26,75 2 |
! |
(. ), . () .
, . , . .
II. ,
(2)
. , , . , (2'):
, (2')
:
= 2752 : 4 = 75625: 4 = 18906,25
= 702 + 682 + 722 + 652 = 18933 18906,25 = 26,75 2
, .
|
|
|
|
2.
3. , .
|
III. s 2 .
(3)
. . , , . , . ,
, , . :
|
|
2
, , , .
IV. s (4):
(4)
, , - . :
= 2,99 /
, , , .
V. :
(5)
, .
:
V, % | ||
< 10 | ||
10 20 | ||
20,1 40 | ||
> 40 |
, - , , . , .
VI.
(6)
- . 32%- , s , , , 5%-.
1 .. ( . 317), : , . .
5%- =3, = 3,182
/
- .
VII. :
(7)
VIII. :
(8)
5%- :
. (. 2). , .
2