1. 2=1,3 1,41. =200 =10. , : U==50 .
.
U = =U = 50 200/10 = 1 .
2. (. 18.6) .
, , , =- 4,5 , =15 , f =30 4000 .
. (9), :
=300 .
1/()
10/() = 10/(2*3,14*30*300) = 17,6 .
=20 .
3. (. . 3) , , 0,8 ,
.
. . .
,
= / = 2/(5*10-3) = 400 .
, 8 ,
= = 2,8 .
, I= , . I=(3 10)I0. I==10 I60 =500 =0,5 ,
.
= 14,4 .
4. , 1=20, , =0,02. , =20;
. (15)
,
=
.
=16,7*42,9=716,4
1. =50. .
2. , 1000. , 25 , -10 .
3. 30, 20 10 . .
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4. 20, 30 10. . .
5. U=5. ,
6. , =20 , 10.
7. =250. , 28 .
8. = 20. , R=25 , =25.
9. . .
10. U=2 . , , = 40, =20 .
11. =300. , =20 =6.
12. 1 =1,3 2=2, 5 . .
13. U=6 , =1000. , =1,2.
14. =3 . , , = 1,8 .
15. =80. , .
16. . =35.
17.
, 90 , =95.
18. , , =10 , 2,5 , 360 .
19. (3) , , =9 , 90, 3 , 510 , =100, 3 .
20.
634 (. 5), R=18 =180 . U=-4 .
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. 5
21.
634 (.5) -8 -2 , R= 18 , = 180 .
22. , =500 , =2000, R=47 .
23. 0 = 150. R, =1500, = 300 .
24. , S=8 /, =5 , R=15 .
25. , , =40, S= 6 /, R = 33.
26. 0=55. , = 6 , R=20 .
27. =35. , = 450 , = =370 .
28. =50. =0,02?
29. 150 100. .
30. (, , ) ?
31. : 108, 42, 310, 101, 306?
32. ?
33. , . , ?
34. ?
35. R?
36. ?
37. . ?
38. , ?
39. ? .
40. : , 617, 635, 628, 613?
41. , ?
42. ( ), - - ?
43. : - ?
44. . ?
45. .
1
1, 30, 45 | 2, 29, 44 | 3, 28, 43 | 4, 27, 42 | 2, 26, 41 | 6, 25, 40 | 7, 24, 39 | 8, 23, 38 | 9, 22, 37 | 10, 21, 36 | 11, 20, 35 | 12, 19, 34 | 13, 18, 33 | 14, 17, 32 | 15, 16, 31 |
2
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2008
1. . ., . ., , . .. : . .: . , 1983.-368 ., .
2. . . , . . . . .: , 2003.
3. . . , . . , . . . . -., 2003.
4. . (). . . : , 2005.