A.7
B.11
C.6
D.1
[单选题]1, 7, 7, 9, 3,( )A.7 B.11C.6 D.1
[单选题]1,7,7,9,3,( )A.7 B.11 C.6 D.1
[单选题]23, 9, 7, 3, 1, 3, ( )。A.-5B.-11C.3D.1
[试题]13579()A.7B.8C.11D.未给出
[单选题]13579()A.7B.8C.11D.13
[试题]1,3,5,7,9,()A.7B.8C.11D.未给出
[单选题]1/3,1/7,7/9,1/31.19/45,()A . 11/21B . 13/51C . 63/65D . 91/165
[单选题]1,1,3,4,9,7,( )A.11B.5C.27D.10
[主观题]1,3,5,7,9,( )。A.7B.8C.11D.未给出
[主观题]20/9,4/3,7/9,4/9,1/4,()A、3/7;B、5/12;C、5/36;D、7/36