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4,5 , 3,75 , 4,5 .
: 20 26 = 10 . 4,5 .
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100 . .
: 2 , 2 3,8 .
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1, 3, 5, 7, 9: (5 , , 5 , ) .
2, 4, 6, 8: .
10: (7 , , 2 ) .
11, 13, 15, 17, 19: (, 5 , , 5 ) .
12, 14, 16, 18: .
20: (2 , , 7 ) .
1-20 .
( , )
1-3: 1-3 .
4: (5 , , 3 ) .
5, 7: (5 , , 4 , ) .
6: .
8: (7 , 2) .
9: (5 , , 3 , ) .
10: (6 , , 1 ) .
11, 13: (, 5 , , 3 ) .
12: .
14: (, 6 ) .
15, 17: (, 4 , , 3 ) .
16: .
18: (2 , 2, 3 ) .
19: (, 3 , , 3 ) .
20: (1 , , 4 ) .
21: (4 , ) .
22: (3 , ) .
23: (2 , ) .
24: (1 , ) .
25: () .
, 15 . , , .
