数列问题是每年高考中的必考内容,等比数列是其重中之重,通常考查等比数列的定义、通项公式等比中项,前n项和公式,以及性质的应用。近几年高考数列以简单题与中档难度题为主,容易求解,但细节决定成败,现以几个容易忽视的点和容易出错的点为例加以说明,以防犯一些典型错 The sequence of numbers is the compulsory part of the annual college entrance examination. The geometric sequence is the most important one. Usually, the definition of geometric series, the general formulas, the n terms, the formulas, and the application of nature are examined. In recent years the college entrance examination series to simple questions and mid-range difficulty, mainly easy to solve, but the details determine the success or failure, now to a few easily overlooked points and error-prone point as an example to illustrate, to prevent some typical mistakes