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等差树列与等比数列的家本问题等差数列和等比数列是两类最基本的数列,它们是数列部分的重点,也是高考考查的热点.等差数列和等比数列的定义、通项公式等基本知识一直是高考考查的重点,这方面考题的解题方法灵活多样,技巧性较强,考查的目的在于测试考生灵活运用知识的能力,这个“灵活”就集中在“转化”的水平上.
The difference columns and geometric progressions of equal-order tree columns and geometric series of equal-number series are the two most basic series. They are the focus of the series and are the hot spots of the college entrance examination. The definition of equal-difference sequences and geometric sequences, The general knowledge of general formulas and other basic topics has always been the focus of the college entrance examination. The methods for solving problems in this area are flexible and skillful. The purpose of examination is to test the ability of candidates to use knowledge flexibly. This “flexibility” is focused on “Conversion” level.