4, 16,48, 128, ()。
A.320
B.170
C.304
D.224
0,4,16,48,128,() A.280 B.320 C.350 D.420
0,4,16,48,128,()A.280 B.320 C.350 D.420
0,4,16,48,128,() A.280 B.320 C.350 D.420
0,4,16,48,128,()A.280 B.320 C.350 D.420
0,4,16,48,128,() A.280 B.320 C.350 D.420
0,4,16,48,128,()A.280B.320C.350D.420