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Home > Wen Yuan (Primary School Edition) > 2021 No.04 > 求函数零点问题的一类找点技巧——趋势分析、确定主次、放缩转化

  • 求函数零点问题的一类找点技巧——趋势分析、确定主次、放缩转化

    Author(s)：

    周剑

    Publication Title：

    Wen Yuan (Primary School Edition) 2021 No.04

    Affiliations：

    四川省遂宁中学校 四川 遂宁 629000

    Abstract：

    以2013年高考数学江苏卷第20题为例，对高考中常见的判断是否有零点或求零点个数问题的难点进行深入分析，并对解法进行一般性归纳、拓展，培养学生思维的灵活性和创造性。

    Keywords：

    函数；零点；零点存在性定理；趋势；放缩

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    [1] 周剑.求函数零点问题的一类找点技巧——趋势分析、确定主次、放缩转化[J].Wen Yuan (Primary School Edition),2021(04),.

文渊(小学版)
Wen Yuan (Primary School Edition)

Language: 中文

CN：11-9274/G

ISSN：2096-6261

Publication Frequency: 月刊

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