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1 10 . 1 , . , . .
B1 17:20, 6:20 ( ). ?
B2 5%. 10 . 500 . ?
B3 , 3 15 2009 . , , , . . , 2 .
B4 1500 . . . , ?
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| 1. | |||
| 2. | |||
| 3. |
30 . , 32 . , 18 . .
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B5 (1; 0), (3; 3) (4; 2).
B6 4 , 8 , 7 5 . , , . , . .
B7 
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.
B8 ABC A 560, B 720, CH . ACH BCH. .
B9 
. 
.
B10 ABD1 , AB = 10, AD = 8, AA1 = 6. .
1
2
11 15 . 1 , . , . .
B11 
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B12 . , 
, t . ?
B13 SABC O , S , SO = 12, AC = 
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B14 . 1 36 . , 32 /, 45 .
B15 
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C2 8, 15. , 14. .
C3 
C4 , , 
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C5 , 
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C6 n1 , n2 , , n350 1, 2, 3 4. 
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) S4, , S2 = 1307, S3 = 3953.
) S4 = 4857?
) S4 = 4785. , S2.
