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利用递推数列求通项公式,在理论上和实践中均有较高的价值,自从二十世纪八十年代以来,一直是全国高考和高中数学联赛的热点
The use of recursive series to formulate the formula for the general term has a high value both in theory and in practice. Since the 1980s, it has been a hot topic in the national college entrance examination and high school mathematics league.