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找规律 1,4,13,40,( ),364
人气:229 ℃ 时间:2020-01-31 16:35:12
解答
4-1 = 3
13 - 4 = 9 =3^2
40 -13 =27 = 3^3
括号中应该是 40 + 3^4 =121
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