22. , . , , . .
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23. , . .
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24. : , , . :
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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) .
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25. , :
) , , ;
) ;
) -;
) ;
) - ;
) 1997 , .
26. :
1) : ;
2) : ;
3) : ;
4) ; .
) , 2%?
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) 5%?
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) 10%?
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) 15%?
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( )
27. :
|
|
) ;
) ;
) ;
) .
28. , , (). , :
) - ;
) - ;
) - ;
) - .
29. : Q = 3 , ; : Qs = 2. :
)1; | )2; | ) 3; | ) 1,5. |
30. () 10 . . . (Q) 10 1. , ?
) Q = 10 - P /2; | ) Q = 10 - ; | ) Q = 10 - 2 . |
) Q = 20-2 P; | ) =10-2 Q; |
31. , 60 . 1000 . , 80 . -900 . :
) -0,30; | ) -0,37; | ) -0,40; | ) -2,71. |
32. , :
) ;
) ;
) , ;
) -.
33. - , :
200 | 230 | 250 | 260 | 270 | 280 | |
2 | 1,8 | 1,3 | 1,0 | 0,9 | 0,8 |
, :
) 250; | ) 260; | ) 270; | ) 280. |
34. , :
) ; | ) ; |
) ; | ) . |
35. X Y ( < 0). , :
) X Y -;
) X Y ;
) Y ;
) X .
36. . , :
) ;
) ;
) ;
) .
37. , B : : = 2 + 10QS, : = Qs - 2, : = QS, ; Qs . , :
) ;
) , ;
) B A;
) ;
) .
( )
38. ? .
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39. , . ? ?
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40. . . ?
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