利用抛物线焦点弦性质 巧解高考试题
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 2095-3712|volume|13X|102-103
ISSN: 2095-3712
Source: 教育观察, Vol.volume, Iss.13X, 2015-01, pp. : 102-103
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Abstract