A .42
B .40
C .41
D .43
[单选题]1 3 5 11 21 ( ) 85A.33B.41C.43D.53
[单选题]1,3,5,11,21,( )A.25B.32C.43D.46
[主观题]Q321, 20, 18, 15, 11, ?
[单选题]1/2,3/2 ,11/8 ,21/32 ,( )A. 7/64B. 25/64C.12/31D. 13/64
[单选题]3, 5, 11, 29, ( )。A.62B.69C.74D.83
[单选题]第 31 题 11/3 , 7/3 , 1, , -5/3A.7/3B.-1/3C.5/3D.4/3
[单选题]4,6,5,7,7,9,11,13,19,21,( )A. 27,29B. 32,33C. 35,37D.41,43
[单选题]4,6,5,7,7,9,11,13,19,21,( ),( )A.27,29B.32,33C.35,37D.41,43
[单选题]3,5,21,73,261,( )A.522B.929C.984D.783
[单选题]-2,3,5,21,73,( )A.125B.179C.261D.273