12,14,20,38()
A.46
B.38
C.64
D.92
12 14 20 38 ()A.46 B.52 C.64 D.92
12,14,20,38,() A.46 B.52 C.64 D.92
12 14 20 38 () A.46 B.52 C.64 D.92
12,14,17,22,29,() A.38 B.42 C.40 D.46
12, 14, 20, 38, ()A.146 B.38 C.64 D.92
16 4 12 14 20 ()。A.27B.34C.16D.38