II 1
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2. .
3. .
4. .
5. . .
6. . . .
7. / ().
8. .
9. . . .
10. . . .
11. . . . .
12. . .
13. (, , ).
14. .
15. . .
16. . .
17. .
18. I . .
19. II . .
20. . .
21. . Ÿ .
22. :
23. ( ). .
24. - . .
25. .
26. , , .
27. .
28. / .
() (, ).
II 1
1. 18x18 . ?
.
: 
= 58%
2. 112-116 .
: 
= 
= 
= = 
=
3. 18x18 , 28%. m = 11200.
: 1). 
= 
= 
= 12.96
2). 
= 
= 12.96 
= 1452 = 1.4
4. . . , .
: 
= 61%
5. . .
6. 30x30 , m =12300.
|
|
|
: 1). 
= 
= 30 
12300 = 3690 = 3.7
2). S = 
= (3.7 
= 13.7 
7. 116 216, .
: 
= 30%
8. 3 . .
: 1). 
= 63% 2). 
= 28%
= 65%
9. 5 . .
: 2 212-216
1). 
100% = 
100% = 1.2%
10. , 
=140 . / 
.
: 1). 
= 17000
2). 
= 
= 
= 115
3). 
= 
= 140 17000 = 2380
4). 
= 
= 2380 
155 = 2535
11. . .
:
12. . . .
: 
= 16954
1). 
= 
= 
= 16827
2). 
= 
= 17080
13. 5 . . , .
14. =152 .
: 1). 
= 
= 152 
= 4.0
15. 5 . .
: 
= 71%
16. 60 15- . =50 , m = 8100. 3 . .
: 1). h = 
= 3 15 = 45
2). 
= 
= 50 8100 = 405
3). 
= 
= 
= 6.7
17. .
18. ,
r = 90 . 
=140 .
: 1). 
= 
= 
= 3.0
19. 30 30 = 61 %.
: 1). 
= 
= 
= 11.7
20. , 1:14000 =70 , 100 , 140 .
: 1). 
= 
= 70 14000 = 980
2). 
= 
= 100 14000 = 1400
3). 
= 
= 140 14000 = 1960
21. 
r=80 . h=60 , 3500 .
: 1). = 
h = 3500 60 = 3560
2). = = 
= 1.3
22. . = 140 .
: 1). 
= 
= 140 
= 3.7
2). on = 
= 140 
= 7.3
