找规律1,0.3,0.9,0.27 (),()

问题描述:

找规律1,0.3,0.9,0.27 (),()

1,0.3,0.9,0.27 (0.81),(0.243)

0 81 双数位为0,单数位为前者的3倍

1,0.3,0.9,0.27 (0),(81)
1,奇数是一列数是3的(n-1)次,
2,偶数是零