找规律2,3,4,9,8,27,16( ) ( )
人气:481 ℃ 时间:2019-10-05 00:55:12
解答
2,3,4,9,8,27,16,(81),(32)
奇数项是公比为2的等比数列;
偶数项是公比为3的等比数列.
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