“零点不可求”问题的九大解题策略

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1672-7495|volume|12|22-25

ISSN: 1672-7495

Source: 上海中学数学, Vol.volume, Iss.12, 2017-01, pp. : 22-25

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Abstract