运用数学史的三角形内角和教学

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1672-7495|volume|1|20-22

ISSN: 1672-7495

Source: 上海中学数学, Vol.volume, Iss.1, 2016-01, pp. : 20-22

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Abstract