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10 p, 430.1 KB Procedimientos de resolución de problemas aditivos con números negativos / Bruno Castañenda, Alicia (Universidad de La Laguna. Departamento de Análisis Matemático) ; Martinón Cejas, Antonio (Universidad de La Laguna. Departamento de Análisis Matemático)
This paper presents some procedures for the problem solving, explanation and behaviours of the students in the solution of additive problems with negative numbers. Special attention is paid to the different contexts, structures and positions of the unknown.
1997 - 10.5565/rev/ensciencias.4180
Enseñanza de las ciencias, V. 15 n. 2 (1997) p. 249-258  
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