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NTIS 바로가기한국초등수학교육학회지 = Journal of elementary mathematics education in Korea, v.24 no.1, 2020년, pp.53 - 87
The purpose of this study was to find a future direction for improving computational estimation instruction through examining the contents of computational estimation included in the 2015 revised elementary school mathematics curriculum and elementary school mathematics textbook and teacher's guide....
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