| Eugenio Filloy - Vol. 9 Num. 2 (1989) | ||
| Solving equations: the transition from arithmetic to algebra MORE INFORMATION | 19-25 | |
| Eugenio Filloy - Vol. 9 Num. 2 (1989) | ||
| Résolution d’équations : la transition de l’arithmétique à l’algèbre (online only) | 25 | |
for the learning of mathematics
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