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2010年高考北京理科数学一道数列题给出的答案需要技巧,一般学生很难考虑到,就这个问题给出了一般证法,并将结论推广到一般情形。
2010 college entrance examination in Beijing science mathematics a number of questions given the answer requires skills, the general difficult for students to take into account, give a general proof of law on this issue, and generalize the conclusion to the general case.