Teaching and Learning Irrational Number with Its Conceptual Aspects Stressed : Consideration of Irrational Number through the Conception of 'Incommensurability' (무리수의 개념적 측면을 강조한 교육방안: '통약불가능성'을 통한 무리수 고찰)
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- School Mathematics
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- v.4 no.4
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- pp.643-655
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- 2002