奇妙的小学数学(三年级)

第1 讲 加减速算·········································.1
第2 讲 乘法速算·········································.6
第3 讲 乘除速算·········································11
第4 讲 配对求和·········································15
第5 讲 巧填乘法竖式···································20
第6 讲 巧填除法竖式···································26
第7 讲 有余数的除法···································33
第8 讲 错中求解·········································38
第9 讲 数字谜（1）·····································43
第10 讲 数字谜（2） ···································48
第11 讲 按规律填数·····································53
第12 讲 按规律填图·····································57
第13 讲 时间问题········································63
第14 讲 数线段···········································67
第15 讲 巧求周长········································72
第16 讲 巧求面积········································77
第17 讲 周期问题········································83
第18 讲 重叠问题········································88
第19 讲 等量代换········································93
第20 讲 假设法解题·····································98
第21 讲 旅游中的数学·······························.102
第22 讲 和倍问题·····································.111
第23 讲 差倍问题·····································.116
第24 讲 和差问题·····································.120
第25 讲 还原问题·····································.125
第26 讲 盈亏问题·····································.130
第27 讲 年龄问题·····································.135
第28 讲 简单枚举·····································.140
第29 讲 幻方和数阵··································.144
第30 讲 统筹方法·····································.152