Evolutionary processes in the development of errors in subtraction algorithms
Ricardo López Fernández and Ana B. Sánchez García*
1University of Salamanca, Department of Didactics of Mathematics, Paseo de Canalejas, 169. Facultad de Education, Salamanca, 37008. Spain. Teléfono: +34 923294630 (ext. 3469), Fax: +34 923294635.
2University of Salamanca, Department of Didactics, Organization and Research Methods, Paseo de Canalejas, 169.Edificio Solís, 1ª plant. Salamanca. 37008. Spain
Email: [email protected]
