找规律3,6,12,20,30,42,(),()1,4,5,4,6,4,(),()2,3,4,5,8,7,(),()1,1,3,5,9,(),()
问题描述:
找规律3,6,12,20,30,42,(),()
1,4,5,4,6,4,(),()
2,3,4,5,8,7,(),()
1,1,3,5,9,(),()
答
找规律3,6,12,20,30,42,(),()
1,4,5,4,6,4,(),()
2,3,4,5,8,7,(),()
1,1,3,5,9,(),()