A . 74
B . 78
C . 82
D . 90
[单选题]:3,10,15,26,35,50,( )。A.40B.45C.63D.65
[单选题]:3,15,35,63,( )A.78B.81C.99D.100
[单选题]:3,15,35,63,( )A.78B.99C.81D.100
[单选题]3,15,35,63,( )。A.78B.99C.81D.100
[单选题]3,15,35,63,( )。A.78B.81C.99D.100
[单选题]20, 26, 35, 50, 71,( ).A.95B.104C.100D.102
[单选题]2,3,10,15,26,35,( )A.38B.42C.48D.50
[单选题]:2,3,10,15,26,35,( )A.50B.48C.49D.5l
[单选题]1/3+ 1/15+ 1/35 +1/63 + 1/99+ 1/143+ 1/195+ 1/255的值是:A.6/17 B、6/19 C、8/17 D、8/19
[单选题]8 15 24 35 ( )A. 47 B 48 C 49 D 50