图书简介:
第1 讲 速算与巧算(1)·······························.1
第2 讲 速算与巧算(2)·······························.5
第3 讲 巧算小数加减法································.9
第4 讲 找规律············································13
第5 讲 数字之谜·········································17
第6 讲 巧填符号·········································23
第7 讲 等差数列·········································27
第8 讲 观察物体·········································32
第9 讲 巧数图形·········································38
第10 讲 平行与垂直·····································43
第11 讲 三角形的三边关系····························48
第12 讲 图形的剪拼·····································52
第13 讲 周长问题········································57
第14 讲 面积问题········································62
第15 讲 和差问题········································67
第16 讲 和倍问题········································72
第17 讲 差倍问题········································77
第18 讲 年龄问题········································82
第19 讲 相遇问题········································86
第20 讲 追及问题········································91
第21 讲 盈亏问题········································96
第22 讲 周期问题·····································.101
第23 讲 平均数问题··································.106
第24 讲 植树问题·····································.111
第25 讲 等量代换·····································.116
第26 讲 逆推法解题··································.121
第27 讲 鸡兔同笼·····································.126
第28 讲 统筹规划·····································.132
第29 讲 游戏与对策··································.138
第30 讲 巧妙推理·····································.143
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