6
7.1
( 3).
, (7.1)
- (4- ), ͷ;
- . = 1;
- . = 0,2;
- , = 2,74;
- , . =515 .
= 215,1 .
= 200 .
5.2
0,2∙200 = 40 , (7.2)
1,12∙40 = 44,8 . (7.3)
(. ): 45 ; 40 .
7-
5.3
:
m' = (0,02...0,04) = (0,02.,.0,04)200 = 48 . (7.4)
m 1,0 9565-80 (): 1,0; 1,25; 1,5; 1,75; 2,0; 2,25; 2,5; 2,75; 3,0; 3,5; 4,0; 4,5; 5,0; 5,5; 6,0. . m = 5 .
5.4
.
80. (7.5)
, ( ) . m (7.4).
:
21,4. (7.6)
80 21. , 17.
59. (7.7)
, 59 21.
5.5
59 / 21 = 2,81. (7.8)
-2,55% (7.9)
4%.
5.6
|
|
, (7.10)
- . V3 = V4,
0,85 /. (7.11)
5.7
V4 =0,85 /. 9- . .
= 1,05.
(7.10)
492,9 .
5.8
( <[ ]) 15%, ( >[ ]) 5%. , b4 , .
(7.12)
4,3 %,
15%, .
(7.13)
779,3 .
.
74,0 255 . (7.14)
185,0 671 .
.
5.9
, 7.