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In the article, a simple and elementary proof of monotonicity is given for the so-called extended mean values using Tchebycheff s integral inequality and the mean-value theorem for differential.
本文利用切比雪夫积分不等式和微分中值定理，对所谓的双参数拓广平均的单调递增性给出一种简单的证明。
In this paper, the differential mean value theorem of real analysis is extended to the complex analysis and correspondence results are obtained.
本文将实分析中的微分中值定理推广到复分析中，得到了相应的结果。
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