<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2448-8089</journal-id>
<journal-title><![CDATA[Educación matemática]]></journal-title>
<abbrev-journal-title><![CDATA[Educ. mat.]]></abbrev-journal-title>
<issn>2448-8089</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Investigación y Divulgación de la Educación Matemática A.C.; Universidad de Guadalajara]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-80892025000100101</article-id>
<article-id pub-id-type="doi">10.24844/em3701.04</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Lo exponencial en la Escuela Secundaria de Adultos: análisis de invariantes operatorios]]></article-title>
<article-title xml:lang="en"><![CDATA[The exponential in adult secondary school: analysis of operational invariants]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sureda]]></surname>
<given-names><![CDATA[Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Otero]]></surname>
<given-names><![CDATA[María Rita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional del Centro de la Provincia de Buenos Aires Facultad de Ciencias Exactas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional del Centro de la Provincia de Buenos Aires Facultad de Ciencias Exactas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<volume>37</volume>
<numero>1</numero>
<fpage>101</fpage>
<lpage>126</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-80892025000100101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-80892025000100101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-80892025000100101&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: En este trabajo se analizan las respuestas a una tarea sobre variaciones exponenciales crecientes, obtenidas en 28 cursos de tres escuelas secundarias de adultos (ESA), con el fin de identificar qué invariantes operatorios utilizan en la acción al resolver tareas que requieren de invariantes operatorios (IO) exponenciales. La conceptualización de este tipo de variaciones es imprescindible para comprender varias de las situaciones sociales actuales como, por ejemplo, la forma en que se extiende una pandemia como la del virus COVID-19 y la forma en que aumenta la deuda que genera el interés de una tarjeta de crédito cuando se paga, por ejemplo, el monto mínimo. El análisis de las soluciones evidencia una mayor presencia de IO lineales en la resolución de la tarea, de los IO exponenciales necesarios.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: In this work we analyze the responses to a task on exponential growth, obtained in 28 courses from three adult secondary schools (ESA), in order to identify which operational invariants in action use the students when solving tasks that require exponential operational invariants. The conceptualization of this type of variations is essential to understand many of the current social situations, such as, for example, the way in which a pandemic such as the COVID-19 virus spreads and the way in which the debt of a credit card increases, when paying, for example, the minimum amount. The analysis of the solutions shows a greater presence of linear operational invariants in the resolution of the task, than of the necessary exponential operational invariants.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Teoría de los Campos Conceptuales - Invariantes Operatorios - Variación Exponencial - Adultos - Secundaria]]></kwd>
<kwd lng="en"><![CDATA[Conceptual Fields Theory - Operational Invariants - Exponential Variation - Adults - Secondary]]></kwd>
</kwd-group>
</article-meta>
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