用A=2B的充要条件解三角形
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 2096-224x|1|21|33-36
ISSN: 2096-224x
Source: 教学管理与教育研究, Vol.1, Iss.21, 2016-01, pp. : 33-36
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Abstract