找规律数学题 25,19,21,17,17,15,13,13()()

题目

找规律数学题 25,19,21,17,17,15,13,13()()
找规律数学题
25,19,21,17,17,15,13,13()()
8,24,12,36,18()()
2,5,11,23,47()()
1,4,9,16,25()()
2,3,8,8,14,13,20()()
81,162,54,108,36,72()()
求技术宅.最好把里面解题的规律跟公式一块写出来.

答案