找规律1,2,5,14,(41),(122).是怎么来的谢谢
人气:339 ℃ 时间:2020-05-12 05:55:34
解答
1 + 3^0 = 2
2 + 3^1 = 5
5 + 3^2 = 14
14 + 3^3 = 41
41 + 3^4 = 122
^是指数符号 ,比如 3^4的意思是3的4次方.
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