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15
(5 )
1-5 . .
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.
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3. 
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4. 
.
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5. 
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16
(5 )
1-5 . .
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.
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.
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5. 
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17
(5 )
1-5 . .
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. 
.
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2. 
:_____________
3. f(x)= 
. 
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4. 
.
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5. 
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8 . . .
8. 
.
18
(5 )
1-5 . .
1. 
. .
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2. 
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3. f(x)= . 
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4. 
.
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5. 
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6-7 . .
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(2;3). (1;3)?
(3 )
8 . . .
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.
19
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1-5 . .
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, 3,5.
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.
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.
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5. = 
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20
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7. ( - 8) ( + 4) 
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8 . . .
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8. 
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