1,1,8,16,7,21,4,16,2,()A.10;B.20;C.30;D.40;

1, 1, 8, 16, 7, 21, 4, 16, 2, ( )

 A.10;B.20;C.30;D.40;


相关考题:

1,1,8,16,7,21,4,16,2,()A.10;B.20;C.30;D.40;

1/3,4/7 ,7/11 ,2/3 ,13/19 ,( )A. 16/21B. 16/23C. 18/21D. 17/21

1,1,8,16,7,21,4,16,2,( )。A.10 B.20 C.30 D.40

1, l, 8, 16, 7, 21, 4, 16, 2, ( )A.10B.20C.30D.40

1, 1, 8, 16, 7, 21, 4, 16, 2, ( )A.10B.20C.30D.40

:1,1,8,16,7,21,4,16,2,( )。A.10 B.20 C.30 D.40

16,21,16*(7/8),20*(1/4) ,17*(3/4) ,19*(1/2) A. 16*(5/7)B. 15*(3/5)C. 21*(3/8)D. 18*(5/8)

1/3,4/7 ,7/11 ,2/3 ,13/19 ,( ) A. 16/21B. 16/23C. 18/21D. 17/21

1,1,8,16,7,21,4,16,2,(  ) A.10B.20C.30D.40

1,1,8,16,7,21,4,16,2,( ) A. 10B. 20C. 30D. 40