2,5,11,23,47,()
A.71
B.67
C.97
D.95
2 5 11 23 47 () A.18 B.91 C.95 D.105
1.11, 2.23, 3.35,4.47, (), 6.71。 A.5.57B.5.58C.5.59 D.5.60
5,11,23,47,95()。 A.190 B.191 C.192 D.196
2,5,11,23,47,()A.71 B.67 C.97 D.95
2,5,11,23,47,()。A.79B.91C.95D.105
95,5.83,15.71,34.59,()A.64.57B.66.67C.65.57D.65.47