等差数列一个性质的应用

2012-04-29 03:02张敏林
科技资讯 2012年30期
关键词:中圖标识码公差

张敏林

摘 要:应用等差数列的这个性质解题,可以回避求其首项和公差,使问题得到整体地解决,能够在解题时达到运算灵活,方便快捷的目的。

关键词:等差数列 性质

中圖分类号:O1 文献标识码:A 文章编号:1672-3791(2012)10(c)-0184-01

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