There is a simple formula of Bernoulli number with using extraction a derivative rule of compound function and progression theory and so a given important value in the theory and application.
利用复合函数的求导规则和级数理论能够得出 贝努利数的简明公式■ ，在理论和应用上都具有重要的价值。
By thinking chain, we draw a network picture of thinking, and get every number of thinking quality, so as to found the function of thinking quality in theory.
借助思维链绘制出思维网络图，从而建构出思维品质函数的模型，并编程其计算程序。
The article probes the theory that is in the balance function of the absolute balance-number of average and relative balance-number.
对平均数的绝对权数和相对权数的权衡作用理论进行了探讨，明确指出了绝对权数和相对权数的应用范畴及理论依据。
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