:1,2,2,4,2,8,4,16,()。
A.16 B.10 C.6 D.4
0,1,1/4,1/2,(),5/64 A.1/8 B.1/6 C.3/16 D.3/8
1/2+(1/2)2+(1/2)3+(1/2)4的值是()。A.1/16 B.7/8 C.15
(),-1/4,-3/8,-5/16 A.-1 B.-1/2 C.1/2 D.1
2,4,3,(),13/4,27/8,53/16。A.1 B.7/2 C.7/3 D.4
0,1,1/4,1/2,(),5/64A.1/8 B.1/6 C.3/16 D.3/8