11. http://www.study.6to23.com Chinese Olympic post - contain mathematics Olympic guidance and problem storehouse , self study course and hope a cup of, China match cup, programming and webpage produce. (中国奥林匹克驿站) |
12. http://math.berkeley.edu/~jgyao/hxweb/index.htm Mathematics Olympic more foreign work stand - the mathematics Olympic guidance and question collection of primary school of special subject. (数学奥林匹克越洋工作站) |
13. http://jgping.y365.com working room of grass carp - offer the mathematics Olympic question of primary school. (草鱼工作室) |
| 14. http://www.noi2002.org Nation -wide teenagers informatics Olympic contest - introduction nation-wide teenagers informatics Olympic " it is safe to reach cup" contest. (全国青少年信息学奥林匹克竞赛) |
15. http://noi.stinfo.net Shan first teenagers informatics contest - informatics contest information, give tutorials to information. (汕头青少年信息学竞赛) |
16. http://www.student.gov.cn Student science and technology network - offer teenagers club information, Ke general books, computer contest information. (学生科技网) |
17. http://www.snsx.net teenager mathematics - the introduction Olympic mathematics contest of primary school of junior high. (少年数学) |
18. http://www.aoshu.net 3 A Ao several network ( New ) - contain Ao several question download , the hope and cup of winter jasmine are a cup of , resource a cup of, same a cup of, mathematics league matches free online alternating platform. (3A奥数网) |
19. http://asp.7i24.com/bjyjs/ymjyz/index.asp teenager programming contest gas station - contain the programming contest information etc. and course of VB/QB. (少年编程竞赛加油站) |
20. http://hubo.xdxd.net/hxjs Middle school chemical contest network ( New ) - contain middle school chemical contest wire mould draft , guidance. (中学化学竞赛网) |