1. 1
1. :
) ;
) ;
) .
2. .
2.1 .
2.2 .
:
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1 |
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37 |
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2 |
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32 |
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3 |
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10 |
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4 |
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20 |
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15 |
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6 |
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30 |
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7 |
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55 |
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8 |
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95 |
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9 |
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15 |
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10 |
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30 |
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11 |
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15 |
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12 |
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20 |
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13 |
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28 |
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14 |
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30 |
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15 |
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20 |
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16 |
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13 |
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15 |
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480 | ||||
= 480-10 - 15 - 20= 435
. :
= + () = + () = + + + ()
+
:
= 1 - = + + ( - ),
= 1
6% = 27,6
= (435+27,6)) /480 = 0,96
- :
= + ( - ) 0
= 15+ (20-27,6) /435 = - 1,7%
- :
= 0
=10/435 = 0,023
:
= 6% 6,5%
=20/480 = 4,17%
-
= ( )
2 - 4%
= 179 37,3%
2)
=
2 - 4% , = 30 6,25%
