极化恒等式在向量数量积中的运用——由苏教版必修四的一道课后习题引发的思考
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1001-8875|volume|9|42-43
ISSN: 1001-8875
Source: 数学教学通讯, Vol.volume, Iss.9, 2017-01, pp. : 42-43
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Abstract