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This is the published version of a paper presented at MADIF 9 - the Ninth Research Seminar of the Swedish Society for Research in Mathematics Education, Umeå, February 4-5, 2014.
Citation for the original published paper: Gunnarsson, R., Karlsson, A. (2014) Brackets and the structure sense.
In: O. Helenius, A. Engström, T. Meaney, P. Nilsson, E. Norén, J. Sayers & M. Österholm. (ed.), Development of Mathematics Teaching: Design, Scale, Effects: Proceedings of MADIF 9, The Ninth Swedish Mathematics Research Seminar Göteborg: Svensk förening för
MatematikDidaktisk Forskning - SMDF
Skrifter från Svens förening för matematikdidaktisk forskning
N.B. When citing this work, cite the original published paper.
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