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Subjects
Mathematics, Geometry, Algebra, Foundations, Study and teaching (Elementary), Textbooks, Arithmetic, Cognition in children, Concept learning, Congresses, Mathematics, study and teaching (elementary), Orthogonal Functions, Study and teaching (Secondary), TrigonometryID Numbers
- OLID: OL2122668A
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| August 20, 2008 | Edited by RenameBot | fix author name |
| April 1, 2008 | Created by an anonymous user | initial import |



