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数列是高考的重点和难点,高中学生学习的难点,纵观这几年的高考题,数列题的难度有增无减,而且一些题型更多地与生产生活相联系,无形中增加了解题的难度。而在众多的题型中运用数列函数特征解题算是其中非常重要的题型,而且也体现了数列的函数本质,下面我将从两个方面阐述这一重要的解题思路。
The number of columns is the focus and difficulty of college entrance examination, high school students learning difficulties, look at the college entrance examination papers over the past few years, the number of questions more and more difficult, and some questions more associated with production and life, virtually increase understanding The difficulty of the title. However, in many kinds of questions, it is one of the most important questions to solve the problem of using the serialized functions, and it also reflects the essence of the functions of the series. I will elaborate on this important problem-solving idea from two aspects.