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数列是高中代数的重要内容。在高考和各种数学竞赛中都占有重要的地位。数列求和是数列的重要内容之一,等差数列和等比数列有固定的求和公式,其余大部分数列的求和都需要一定的技巧。
Series is an important part of high school algebra. In college entrance examination and math competitions all occupy an important position. Summation of the sequence is one of the important contents of the sequence. The arithmetic sequence of the arithmetic sequence and the geometric sequence has a fixed summation formula. The summation of most other sequences requires certain skills.