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等差乘等比型数列求和初探
阐述了数列的几种定义，给出了等差乘等比型数列的组成及特征，总结了前人求和的方法，分别从分组和转化成图形入手来陈述对于这类数列求和的认识。
等差乘等比型数列；错位相减法；函数图像

第1个回答 2011-05-26

The utility type series summation by means were discussed

Expounds several definition, sequence is given by means of utility type series, summarizes the composition and characteristics, the method of predecessors summation respectively from the group and into graphics of for this class of sequence stated understanding of the peace.

The utility type series by the form; Dislocation phase subtraction; Function image

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