A.43
B.45
C.47
D.49
[单选题]2,5,11,20,32,( )。A.43B.45C.47D.49
[单选题]32 、 1/2, 2/4, 4/8,7/16,11/32,( )A. 16/64B. 1/4C.13/48D. 1/3
[单选题]1/2,3/2 ,11/8 ,21/32 ,( )A. 7/64B. 25/64C.12/31D. 13/64
[单选题]4,5,8,11,20,( )。A.29B.35C.40D.47
[单选题]1,5,11,20,34,56,( )A.68B.71C.82D.91
[单选题]:2,5,11,56,( )。A.126B.617C.112D.92
[单选题]2 5 11 23 47 ( )A.18 B.91 C.95 D.105
[单选题]2,5,11,56,( )。A.126B.617C.112D.92
[单选题]1/2, 1/2, 1/2,7/16,11/32,( )A. 15/64B. 1/4C. 13/48D. 1/3
[单选题]1/2,1/2,1/2,7/16,11/32,( )A.15/64B.1/4C.13/48D.1/3