(通用版)2020版高考数学大一轮复习破解难点优质课(一)(二)课件文新人教A版.pptx

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破解难点优质课(一),导数与不等式,破解难点一 导数方法证明不等式,破解难点二 根据不等式确定参数范围,【备选理由】 例1是利用导数和函数的最值证明不等式问题;例2是根据不等式求参数范围、构造新函数利用单调性比较大小的问题.,破解难点优质课(二),导数与方程,破解难点一 判断、证明或讨论函数零点个数,破解难点二 根据零点个数确定参数范围,破解难点三 可化为函数零点的函数问题,【备选理由】 例1是判断分段函数零点个数的问题;例2是根据零点个数求参数范围的问题.这两个题都具有一定难度,希望通过练习能提高学生的解题能力.,

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