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1.问题的提出表征是认知心理学的核心概念之一,又称心理表征或知识表征,是指在对象不显现的情况下,替代这个对象的任何符号或符号集.当前,在数学教育领域中,概念、公式、定理等数学对象的多元表征越来越受到重视.所谓数学多元表征,也就是同一数学学习对象所具有的多种表征形式,它能够具体形象地凸显一个数学学习对象的多元属性,并且不同表征之间往往是相互渗透、相互联系、相互转换的,这些都有助于学
1. Question presentation Characterization is one of the core concepts of cognitive psychology, also known as psychological representation or knowledge representation, refers to any symbol or symbol set that substitutes this object in the absence of the object.At present, in mathematics education In the field, more and more attention has been paid to the multi-characterization of mathematical objects such as concepts, formulas, theorems, etc. The so-called mathematical multivariate characterization, that is, multiple representations of the same mathematical learning object, can highlight a mathematical learning object Multiple attributes, and often the different representations are interpenetrating, interrelated and interconverted, all of which contribute to the learning