15/38 B.11/36 C.14/27 D.18/29
[单选题]1,3/4,9/5,7/16,25/9,______ ( )A.15/38B.11/36C.14/27D.18/29
[试题]1,-4,9,-16,()。A.18B.20C.-20D.25
1 2 3 4 5 6 7 8 9 10 11 12 13 14
[主观题]1,9,7,4,8,5,(),11A、3B、4C、5D、6
设集合A=(1,3,5,7,9,11,13,15),A上的一个划分S=({1,15),(3,9,11,13),(5,7)}。试求由S导出的A上的等价关系R。设集
计算下面各题. (2)/(9)×(3)/(5)(6)/(7)×(7)/(9)(5)/(8)×(4)/(15)(9)/(20)×(5)/(21)(6)/(5)×(
[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
[单选题]3,3,4,5,7,7,11,9,( )A.13,11 B.16,12 C.18,11 D.17,13
[单选题]3,3,4,5,7,7,11,9,( ),( )A.13, 11B.16,12C.18,11D.17,13
[单选题]3,3,4,5,7,7,11,9,______,______ ( )A.13,11B.16,12C.18,11D.17,13