数列0,1,3,8,21的规律
问题描述:
数列0,1,3,8,21的规律
答
1*3-0=3
3*3-1=8
8*3-3=21
21*3-8=55
数列0,1,3,8,21的规律
1*3-0=3
3*3-1=8
8*3-3=21
21*3-8=55