用最值法解决不等式中的“恒成立”与“存在性”问题

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1672-7495|volume|1|37-38

ISSN: 1672-7495

Source: 上海中学数学, Vol.volume, Iss.1, 2016-01, pp. : 37-38

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Abstract