找规律后填空.1,18,2,16,3,14,()()()().,20,120,40,60,80,30,()().
问题描述:
找规律后填空.1,18,2,16,3,14,()()()().,20,120,40,60,80,30,()().
答
1.18.2.16.3.14.4.12.5.10
20.120.40.60.80.30.160.15.