1,3,11,123,()
A.15131
B.146
C.16768
D.96543
1,3,11,123,() A.15131;B.1468;C16798;D. 96543
1,3,11,123,()
66, 83, 102, 123,()A.144 B.145 C.146 D.147
:66,83,102,123,()。 A.144 B.145 C.146 D.147
2,11/3 ,28/5 ,53/7 ,86/9,()A.12 B.13 C. 123/11 D. 127/11
2,11/3 ,28/5 ,53/7 ,86/9,() A.12 B.13 C. 123/11 D. 127/11