不等式证明中导数的应用
Publisher： 国家哲学社会科学学术期刊数据库
E-ISSN： 2095-3712|6|12|121-122
ISSN： 2095-3712
Source： 教育观察, Vol.6, Iss.12, 2017-01, pp. : 121-122
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Abstract