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    Addition and Subtraction: A Cognitive Perspective (Psychology Revivals)

    • Item No : 167657587466
    • Condition : Brand New
    • Brand : No brand Info
    • Seller : loveourprices2
    • Current Bid : US $44.29

    • * Item Description

    • A Classification of Cognitive Tasks and Operations of Thought Involved in Addition and Subtraction ProblemsGérard Vergnaud 5. Interpretations of Number Operations and Symbolic Representations of Addition and SubtractionJ.
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