数字推理:
1.2,4,12,48,( )。A.96 B.120 C.240 D.480
2.1,1,2,6,( )。A.21 B.22 C.23 D.24
3.1,3,3,5,7,9,13,15,( ),( )。A.19,21 B.19,23 C.21,23 D.27,30
4.1,2,5,14,( )。A.31 B.41 C.51 D.61
5.0,1,1,2,4,7,13,( )。A.2109 B.1289 C.322 D.147
10.0,1,3,8,22,63,( )。A.163 B.174 C.185 D.196
11. ( ),40,23,14,9,6。A.81 B.73 C.58 D.52
12.1,2, 633, 289,( )。A.3414 B.5232 C.6353 D.7151
13.0,6,24,60,120,( )。A.186 B.210 C.220 D.226
14.2,6,20,50,102,( )。。A.140 B.160 C.182 D.200
15.2,10,19,30,44,62,( )。A.83 B.84 C.85 D.86
16. 102,96,108,84,132,( )。A.36 B.64 C.70 D.72
17.67,75,59,91,27,( )。A.155 B.147 C.136 D.128
18.11,13,28,86,346,( )。A.1732 B.1728 C.1730 D.135
19.( ),13.5,22,41,81。A.10.25 B.7.25 C.6.25 D.3.25
20.1,2,5,12,29,( )。A.82 B.70 C.48 D.62
21.1,4,9,22,53,( )。。A.89 B.82 C.128 D.75