Based on the judgement of derivatives of segregative function at segregating points, a new simple derivative method was presented and proved in the paper.

针对分段函数在分段点处导数的判断提出了一种与通常求法不同的、更简捷的方法，并进行了论证。

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Based on the judgement of derivatives of segregative function at segregating points, a new simple derivative method was presented and proved in the paper.

针对分段函数在分段点处导数的判断提出了一种与通常求法不同的、更简捷的方法，并进行了论证。

youdao