1,1⼀2,1⼀3,1,1⼀9,2,()()找规律

2024-12-29 08:38:38
推荐回答(1个)
回答1:

1,1/2,1/3,1,1/9,2,(1/27),(4)

奇数位:1.1/3.1/9.1/27,公比为1/3的等比数列
偶数位:1/2.1.2.4,公比为2的等比数列