O,12,24,14,120,16,()
A.280
B.32
C.64
D.336
16 8 24 12 36 28 () A.16
.22, 24, 39, 28, (), 16 A.14 B.11 C.30 D.15
0,12,24,14,120,16,()A.280 B.32 C.64 D.336
11.12,12.18,13.28,14.42,()A.15.55B.15.60C.14.55 D.14.16
12, 24, 14, 120, 16, ()A.280B.32C.64D.336
12,24,14,120,16,()A.280B.32C.64D.336