A.8
B.14
C.13
D. -22
[试题]12,13,25,38,(),101A.54B.63C.72D.84
[单选题]:2,5/3,3/2,7/5,( )A.7/5B.5/6C.3/5D.4/3
[单选题]:2,5/3,3/2,7/5,( )。A. 7/5B. 5/6C. 3/5D. 4/3
[单选题]-3,-2,5,( ),61,122A.20B.24C.27D.31
[单选题]-344,17,-2,5,( ),65。A.86B.124C.162D.227
[单选题]2/3,1/2,5/9,( ),11/15。A.2/5B.6/11C.3/4D.7/12
[单选题]2/3,1/2,5/9,( ),11/15。A.2/5B.6/11C.3/4D.7/12
[单选题]2/3,1/2,5/9,( ),11/15。A.2/5B.6/11C.3/4D.7/12
[单选题]2/3,1/2,5/9,( ),11/15。A.2/5B.6/11C.3/4D.7/12
[单选题]2/3,1/2,5/9,( ),11/15。A.2/5B.6/11C.3/4D.7/12