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纵观历年全国各地高考题,数列是高考数学考查的热点问题,而数列求和是其中一类常考题型。本文简要介绍数列求和的几种常用方法,供同学们学习时参考。一、公式求和法公式法是指利用等差、等比数列的求和公式求和,只要利用题目条件判断出是等差数列或等比数列,构造出等差数列或者等比数列,就可用公式法求和。
Throughout the years, college entrance examination questions across the country, the number of columns is the hot issue of the college entrance examination mathematics examination, and the series of summation is one of the types of frequent exam questions. This article briefly introduces several commonly used methods for summation of series, for students to learn when referencing. First, the formula summation method Formula method refers to the use of arithmetic and mathematical equations to sum the sum, as long as the use of the task conditions to determine the sequence is equal to the arithmetic or mathematical series, the construction of a series of equal numbers or equal number sequence, It can be summed using the formula method.