“三角形内角和定理”中的基本图形在解题中的运用

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 2095-3267|volume|S1|34-35

ISSN: 2095-3267

Source: 华夏教师, Vol.volume, Iss.S1, 2015-01, pp. : 34-35

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Abstract