课后习题 暗藏玄机——以“格点三角形”的变式引申为例
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1672-7495|volume|5|42-43
ISSN: 1672-7495
Source: 上海中学数学, Vol.volume, Iss.5, 2016-01, pp. : 42-43
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Abstract