1/2,1,9/8,1,()
A.7/16
B.5/32
C.23/16
D.25/32
2,9,1,8,()8,7,2 A.10;B.9;C.8;D.7;
:1/2,1,9/8,1()A.23/16B.5/32C.25/32D.7/16
1/2,1,9/8,1,()A.7/16B.5/32C.23/16D.25/32
1/2,1,9/8,1() A.23/16B.5/32C.25/32D.7/16
(1/2)+(1/2)2+(1/2)3+(1/2)4的值是()。 A.1/16B.7/8C.15/16D.1
-7,0,1,2,9,()A.16B.28C.36 D.18