2.10,1 ,9,6,8,11,7,___,...What comes next?

问题描述:

2.10,1 ,9,6,8,11,7,___,...What comes next?

10,1 ,9,6,8,11,7,16
规律:
10,9,8,7
1+5=6,6+5=11,11+5=16