利用向量的内积证明几何题

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1671-0908|35|5|94-95

ISSN: 1671-0908

Source: 和田师范专科学校学报:汉文综合版, Vol.35, Iss.5, 2016-01, pp. : 94-95

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Abstract