This paper introduces the problems of some identical equation solved by the numerical characters of the classic probability and stochastic variable.

介绍了用古典概率和随机变量的数字特征来解决数学分析中的一些恒等式问题。

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This paper introduces the problems of some identical equation solved by the numerical characters of the classic probability and stochastic variable.

文章给出一个古典概率问题的两个解法，从而导出几个有趣的等式。

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This paper introduces the problems of some identical equation solved by the numerical characters of the classic probability and stochastic variable.

本文给出一个不定方程非负整数解的组数的组合计数公式，说明了它在求解一类与数字有关的古典概率方面的应用。

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