包邮奇妙的小学数学(一二年级)

第1 讲 数一数············································.1 第2 讲 比一比············································.6 第3 讲 简单的分类······································11 第4 讲 加法巧算·········································17 第5 讲 减法巧算·········································21 第6 讲 巧填数字·········································25 第7 讲 巧填算式·········································31 第8 讲 排队问题·········································36 第9 讲 运算符号巧搭配································41 第10 讲 切蛋糕···········································45 第11 讲 数平面图形·····································49 第12 讲 数积木···········································54 第13 讲 摆一摆，移一移·······························58 第14 讲 锯木头···········································63 第15 讲 按规律填数·····································68 第16 讲 按规律填图·····································72 第17 讲 怎样付钱········································76 第18 讲 单数和双数·····································81 第19 讲 天平平衡······························