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8. , 1970- , :
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9. XVII , 30%, 16%[2]. , , . XVII 40 1 (12,7 ), 20 . .
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12. , ? , ? , ?
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2.
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16. :
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17. , 5%. , , 10 ., 18 . , :
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19. , 200 . , , 1000 . :
) 200 .; | ) 800 .; |
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20. 10 . . 10,5 . . 1 . :
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) 60%; | ) 120%. |
21. 1 2 , 2 1 .
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22. 2 1 3 2 .
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23. 1 . 500 300 . 5% , ?
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24. : , , . . -, , - . , , , - , [3]. . , ?
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27. , . .
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28. : , , . :
10 - 2, <5 | 12 - 3 , <4 | 15 5 ; < 3 |
qa =0, >5 | q = 0, >4 | q = 0, >3 |
) = 10, = 2, = 3?
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30. :
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) 10%?
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) 15%?
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31. :
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32. , , (). , :
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33. : Q = 3 , ; : Qs = 2. :
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34. () 10 . . . (Q) 10 1. , ?
) Q = 10 - P /2; | ) Q = 10 - ; | ) Q = 10 - 2 . |
) Q = 20-2 P; | ) =10-2 Q; |
35. , 60 . 1000 . , 80 . -900 . :
) -0,30; | ) -0,37; | ) -0,40; | ) -2,71. |
36. , :
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37. - , :
1,8 | 1,3 | 1,0 | 0,9 | 0,8 |
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38. , :
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39. X Y ( < 0). , :
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41. , B : : = 2 + 10 QS, : = Qs - 2, : = QS, ; Qs . , :
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42. : Q = 100 + 0,5 I 30 P 1+ 202, Q ; I ; 1 ; P 2 .
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43. :
Qd = 200-5 P; QS =50 + .
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44. , Q = 70 2 , Q = 10 + . 9 . .
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45. : Qd = 100 - 2 , QS = = -20 + 2 . :
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46. Qd = 9 Qs = 6 + 2 . 1,5 . . :
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47. Qd = 100 - 0,5 . , , .
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48. X 3, 2%. ?
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49. , 4. , 15%; 1,5 ?
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50. :
0,6; | 0,8. |
, 4% 5%. ?
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51. QDA = 15 8 + 60, ; . B = 2, = 3. .
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52. Qd = 150 3 Qs = 50 + 2 P. 10 . . , 10 . . 1 . ? , 15 . ?
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54. , . ? ?
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55. . . ?
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