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标题: help for 200610jj_55 [打印本页]

作者: ana9 时间: 2006-11-21 06:51
标题: help for 200610jj_55

55. Sequence 2, 7, 22,…after the first three terms, each
term is three times the previous term plus 1, a(n+1)=3an + 1. What is the sum
of tens digit and tens digit of the 35 term?

Thanks

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