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双差数列的几个性质

Sequence of Numbers with Alternate Common Differences

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【Author】 Zhang Xiong;Yang Wenhong(①Shaanxi Institute of Education,Xi’an 710061,China;②Xi’an Wuhuan Middle School,Xi’an 710038,China)

【机构】陕西教育学院；西安市五环中学；

【摘要】讨论了双差数列与周期双差数列的通项公式以及求和公式。更多还原

【Abstract】 In this paper,two types of special sequence of numbers are discussed.One is the number sequences with alternate common differences;and the other,as a generalization of the first one,is the periodic sequences of numbers with two common differences.The formulas of the general term and the sum of the first terms are given respectively.更多还原

【关键词】双差数列；周期双差数列；通项an；前n项和Sn；
【Key words】 sequence of numbers with alternate common differences； periodic number sequence with two common differences； general term an； the sum of the first terms Sn；

【文献出处】价值工程 ,Value Engineering , 编辑部邮箱 ,2012年14期

【分类号】G634.6
【被引频次】1
【下载频次】48

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