来自宋德舜的问题
找规律2,3,4,9,8,27,16()()
找规律2,3,4,9,8,27,16()()
1回答
2020-11-2104:15
找规律2,3,4,9,8,27,16()()
找规律2,3,4,9,8,27,16()()
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.