例题部分:
【例题1】2,4,7,18,56,()
A.186 B.208 C.158 D.132
【例题2】3,4,5,7,8,()
A.10 B.15 C.13 D.14
【例题3】4,5,20,29,52,()
A.57 B.69 C.86 D.92
【例题4】162,243,297,378,477,()
A.603 B.486 C.567 D.529
【例题5】