数列是高中数学中的重点内容,也是近年高考中的热点内容,其主要考查内容是等差数列与等比数列的通项公式与数列求和问题。2003年高考中,首次出现了“三角数表”数列这一新名词,随后“数表”(将数列中的各项排成表格)、“数阵”型(将数列中的各项排成阵) The series is the focus of high school mathematics, and it is also a hot topic in college entrance examinations in recent years. The main content of the survey is the general formulae and series summation of arithmetic series and geometric series. In the college entrance examination in 2003, the new term “the number table of triangles” appeared for the first time, followed by the “number table” (in which the various items in the series are tabulated) and the “number array” type (the series The various items in the array)