A.48
B.51
C.56
D.66
[单选题]26,11,31,6,36,1,41,( )。A.0B.-3C.-4D.46
[单选题]11 6 21 -16 1 36 ( )A . -53B . -21C . 21D . 53
[单选题]27,11,16,5,11,6,( )。A.5B.9C.13D.17
[单选题]1,1,6,1,11,6,71,()A.136B.281C.356D.421
[单选题]1/2, 1/2, 1/2,7/16,11/32,( )A. 15/64B. 1/4C. 13/48D. 1/3
[单选题]2,4,6,( ),16,26。A.8B.10C.12D.14
[单选题]-6, -7, 1, -26, 38, ( )。A.163B.-83C.-187D.-87
[主观题]计算。1/9+5/9+2/9=6/11+3/11+1/11=1/4+1/4+3/4=7/10-1/10-3/10=11/6-7/6-1/6=1-2/3-1/3=
[单选题]1,2,6,16,44,( )A.66 B.84 C.88 D.120
[单选题]:1,2,6,16,44,( )( )A.66B.84C.88D.120