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Esse artigo apresenta os resultados de parte uma pesquisa de doutorado cujo objetivo foi analisar comparativamente as praxeologias matematicas e didaticas sobre o conceito de equacoes polinomiais do primeiro grau em tres livros didaticos. A realizacao deste estudo esta fundamentada na otica da Teoria Antropologica do Didatico (TAD). A metodologia se constituiu em uma abordagem qualitativa. Os resultados indicam que as praxeologias nesses tres livros nao esclarecem as diferencas existentes entre os subtipos de tarefas trabalhadas, bem como as potencialidades das tecnicas organizadas ou sistematizadas .  This article presents the results of part of a doctoral research whose objective was to analyze comparatively the mathematical and didactic praxeologies on the concept of polynomial equations of the first degree in three didactic collections. This study is based on the view of the Anthropological Theory of Teaching (ATD). The methodology was a qualitative approach. The results indicate that the praxeologies in these three books do not clarify the differences between the subtypes of tasks worked, as well as the potentialities of organized or systematized techniques.

educação matemática pesquisa

Equação Polinomial do Primeiro Grau: Uma Análise Praxeológica em Três Livros didáticos do 7º do Ensino Fundamental&lt;br&gt;Polynomial Equation of the First Degree: a Praxeological Analysis in Three Textbooks of the 7th Elementary School