= пїЅпїЅпїЅпїЅпїЅпїЅ, пїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅ 9 5 9
| [книга] |
| Математици умници за 6-7 години |
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| София : Просвета |
| 2011 |
ISBN: | |
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Кн. 1. ISBN 978-954-01-2505-3 | |
Кн. 2. ISBN 978-954-01-2506-0 | |
Кн. 3. ISBN 978-954-01-2507-7 |
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