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Representations produced by secondary education pupils in mathematical problem solving. (English)
Hitt, Fernando et al., Psychology of mathematics education (PME-NA XXI). Vol. 2. ,. 547-558 (1999).
Classification: D50
1
Arithmetic two step problems. (Problemas aritméticos compuestos de dos relaciones.) (Spanish)
Rico Romero, Luís et al., Primer simposio de la Sociedad Española de Investigación en Educación Matemática. , (ISBN 84-920554-8-0). 69-82 (1998).
Classification: F90
2
Categories of addition problems in two stages. (Categorie di problemi additivi a due tappe.) (Italian)
Mat. Didatt., No. 1, 4-31 (1997).
Classification: F30
3
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