A.7 B.8 C.11 D.13
[试题]13579()A.7B.8C.11D.未给出
[试题]1,3,5,7,9,()A.7B.8C.11D.未给出
[主观题]1,3,5,7,9,( )。A.7B.8C.11D.未给出
[单选题]:1, 3, 3, 5, 7, 9, 13, 15, ( ), ( )。A.19,21B.19,23C.2l,23D.27,30
[单选题]2/3, 1/2, 2/5, 1/3, 9/7,( ).A.1/4B.1/6C.2/11D.2/9
[单选题]:1,3,3,5,7,9,13,15,( ),( )。A.19,21 B.19,23 C.21,23 D.27,30
[单选题]1,3,3,5,7,9,13,15(),()A . A:19,21B . B:19,23C . C:21,23D . D:27,30
[主观题]20/9,4/3,7/9,4/9,1/4,()A、3/7;B、5/12;C、5/36;D、7/36
[主观题]计算。4/3-(2/5+3/10)5/7+1/4-9/143/4+3/6-5/8
[主观题]计算。7/8-5/6=2/9+1/2=6/7-2/3=3/10+1/4=3/7+1/9=1/3-1/5=1/6+1/4=5/7-1/5=