64,1/4,16,4,64,()
A.254
B.258
C.1/4
D.256
0,1,1/4,1/2,(),5/64 A.1/8 B.1/6 C.3/16 D.3/8
:2,1,4,4,6,16,10,64,()。A.16 B.20 C.128 D.97
:1 3 4 8 16 32 () A.64 B.66 C.72 D.74
32 、 1/2, 2/4, 4/8,7/16,11/32,()A 16/64 B 1/4 C13/48 D 1/3
2,1,4,4,6,16,10,64,()。A.16 B.20 C.128 D.97
64,1/4,16,4,64,() A.254B.258C.1/4D.256