A.19,21
B.19,23
C.2l,23
D.27,30
[单选题]:1,3,3,5,7,9,13,15,( ),( )。A.19,21 B.19,23 C.21,23 D.27,30
[单选题]1,3,3,5,7,9,13,15(),()A . A:19,21B . B:19,23C . C:21,23D . D:27,30
[单选题]28 3 , 3 , 5 , 7 , 9 , 13 , 15 ,(),()A. 19 , 21B 19 , 23C 21 , 23D 27 , 30
[单选题]3, 5, 7, 9, 13, 15, 21, 23, ( )。A.29B.31C.33D.35
[试题]1,3,3,5,7,9,13,15(),()A:19,21;B:19,23;C:21,23;D:27,30;
[单选题]2/15,1/5,1/3,(),13/15,7/5,34/15。A. 25 B. 815 C. 35 D. 23
[单选题]1,1,3,3,7,5,13,7,21,( )。A.9B.11C.8D.22
[单选题]5, 3, 7, 9, 15, 23, ( )。A.27B.31C.35D.37
[单选题]1, 1, 5, 3, 9, 9, 13, 27, ( ), ( )。
[单选题]1,3,3,6,7,9,13,12,( ),( )。A.19.18B.19,15C.21,15D.27,18