| Table of contents Relime vol.23 n.1 Ciudad de México Mar. 2020 Editorial | | | | · In Memoriam Eugenio Filloy y François Pluvinage Cantoral, Ricardo
| | | Articles | | | | · Relationships between proportional thinking and probabilistic thinking in decision-making situations Vergara, Andrea; Estrella, Soledad; Vidal-Szabó, Pedro
| | | | · Proof Schemes for Propositions of Linear Algebra with Logical Value True Beites, Patrícia Damas; Branco, Maria Luísa Frazão Rodrigues; Costa, Maria Cecília Rosas Pereira Peixoto da
| | | | · Hypothesis and conjectures in the development of stochastic thinking: challenges for its teaching and teachers training Huerta, M. Pedro
| | | | · Analysis of interactions in a class where students present language difficulties: the influence of a teaching practice on the mathematical activity of students Barrera-Curin, Raquel Isabel; Bergeron, Laurie; Perreault, Audrey
| | | Special article | | | | · Matemática Educativa, transversalidad y COVID-19 Cantoral, R.; Ríos Jarquín, W.; Reyes Gasperini, D.; Cantoral Uriza, E. A.; Barrios, E.; Fallas Soto, R.; Castillo Bárcena, D.; Cantoral Farfán, E; Galo Alvarenga, S.; Flores García, R.; Paredes Cancino, C.; García Zaragoza, V.; Bonilla Solano, A.
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