3 8 17 32 57 ()
A.96 B. 100 C. 108 D. 115
:0,7,26,57,()。A.89B.108C.100D.148
0,7,26,57,()。 A.89 B.108 C.100 D.148
3 8 17 32 57() A.96B.100C.108D.115
3,8,17,32,57,()。 A.96B.100C.108D.115
2,3,10,26,72,() A.96 B.108 C.178 D.196
2 2 3 5 7 9 15 ( )。A. 32 B. 23 C. 21 D. 17