1 ........................................
2 .......................................
3 .......................
3.1 ...........................................................................................
3.2 .................................................................................................
3.3 ...................................................
3.4 ...............................................................................................
3.5 ....................................................................
3.6 ......................................................................................................
3.7 , ................................................................................
3.8 ...................................................................................................
3.9 ......................................................................................................
3.10 .....................................................................................................
3.11 , ...........................................................................
4 ...............................................................
5 - ..............................
6 ...............................
7 .......................................................................
............................................................
: 3 10. , , . 20-25 . 8-10 . , , . 750 , 1500 .
42.4×48 . , 9.6 , 13,2 . . . , . .
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6 . , . , .
-
- 1,2 , (1)
=×b, (1)
, ;
b ,
=18,5×48,6=899,1 2;
=24,5×48,6=1190,7 2;
- (2), :
V= × (2)
, 2;
(),
V=899,1×9,6= 8631,363;
V=1190,7×13,2=15717,24 3;
V= 24348,6 3
- (, , .), (3):
=1×b1×n ++ n×bn×n + L..×δ..×n.. + L..× δ..×n., (3)
1, b1 - , ;
n ;
n, bn , ;
L.., δ.. , ;
n.. ;
L.., δ.. , ;
n.. ;
= (0,4×0,4×18)+(0,8×0,38×18)+(0,4×0,4×4)+(0,5×0,4×6)+(48,6×0,3×2)+(43×0,3×2)= =65,152 2.
- , ( ), (4):
=-, (4)
, 2
, 2.
=899,1-65,152= 833,948 2.
=1190,7-65,152= 1125,548 2
. , , ( 1).
, .. . 0,150 . , , .
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1500 3 %.
1, 2
=75×2+175×2+400=900
=400+75×2+175×2=900
=900+300×4=2100
=900+300×4=2100
3,4
=75×2+175×2+1600=2100
=400+75×2+175×2=900
=2100+300×6=3900
=900+300×6=2700
5, 6
=75×2+175×2+800=1500 =1500+300×4=2700
=380+75×2+175×2=900 =900+300×4=2100
7
= = = = 900+300×2 =1500
1
.
, . 400×400 ( 9,6 ) 500×400 ( 13,2 ). 2.
, 20.
2
. . 9,6. . . 13,2.
, . , ( 3):
3
: =30+300+50=380.
50, =400 .
( 4). , , 0,030 . . 1:2. , .. .
, .
4
:
L1=6000-200-200-75×2-175×2-25×2=5050 .
L2=6000-200-200-75×2-175×2-25×2=5050 .
( 5), . . . .
. . .
5
3 , 6 ( 6). 200. .
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6
350.
: 18 ( 7, ) 24 -, , ( 7, )). 6 . .
7
6 , 300 . 1200 1800 .
. 600 . , . , , .
6330 .
,
: 1- () -4,5; 2- () -4 . - . . , . 1:12 0,033.
.
500 , 5500 .
( 8). .
. . , . . 4 . . .
8 : 1,8. . 2./ . 3,7.. 4,6. . 5,9..
.
, . . 6 ( 9).
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9
: -, - ( 1). 100-150 . 30-50 . .
1
() | -, 2 | |||
1 | - | 30-50 100-150 | 412.64 | |
2 | - | 30-50 100-150 | 572.40 |
,
1200 3 . .
3000×3000 800×1800 ( 2). . 2%, .
2
. | - | ., | - | ||
1 | 12506-81 | 12-30.1 | - | ||
18853-73 | 30-30 | - |