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:




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3. :




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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