找规律填空.12/25,2/5,1/3,5/18,_,…,b/a,_,….

问题描述:

找规律填空.

12
25
2
5
1
3
5
18
,______,…,
b
a
,______,….

5
18
×
5
6
=
25
108

b
a
×
5
6
=
5b
6a

故答案为:
25
108
5b
6a