| 标题 |
专利、报告等 Proportional reasoning: From shopping, to kitchens, laboratories, and, hopefully, schools
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| DOI |
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| 其它 | Schliemann, A. D., & Magalhães, V. P. (1990, July). Proportional reasoning: From shopping, to kitchens, laboratories, and, hopefully, schools. In Proceedings of the XIV PME Conference (Vol. 3, pp. 67-73). Oaxtepec Mexico. |
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