ile:4846(1-14)2012春季一年级数学竞赛班.rar file:3911(1-7)2012寒假一年级奥数竞赛班.zip file:2925(31-45)五年级数学年卡（竞赛班）小学奥数.rar file:4716-2012春季二年级奥数竞赛班 14.rar file:6081 一升二年级奥数暑期班（竞赛班)吴桐 9讲.rar file:3779-10]2012寒假三年级数学竞赛班刘阳.rar file:2802]-2011暑期二升三奥数竞赛班.rar file:2912-六年级小升初奥数年卡(竞赛班)（61-70.zip file:(4)人民币的认识例6.mp4 file:人民币的认识.doc file:单数与双数.doc file:(3)单数与双数例4-例6.mp4 file:(6)速算与巧算例5.mp4