数列在实际生活中有着广泛的应用,因而一些情景新颖、富有时代气息,又切合实际,贴近生活的数列应用题,越来越成为高考命题的一大热点,也是历届学生备考训练的一个重点.然而不少学生在解决此类应用题时,由于对所给关系的理解偏差导致不会列式或列式不对而 The series has a wide range of applications in real life. Therefore, some scenarios are novel, full of contemporary flavor, practical and close to the series of application problems in daily life, and are increasingly becoming a hot topic of college entrance examination propositions. They are also a focus of previous student preparation training. However, many students in solving such applications, due to the understanding of the deviation of the relationship caused by the error will not be columnar or columnar.