Creative Education
Vol.1 No.2(2010), Paper ID 3015, 6 pages
DOI:10.4236/ce.2010.12017
Using an Interactive Computer System to Support the Task of Building the Notions of Ratio and Proportion
Elena Fabiola Ruiz Ledesma
Copyright © 2010 Elena Fabiola Ruiz Ledesma et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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