包邮奇妙的小学数学(五年级)

第1 讲 循环小数·················································.1第2 讲 小数乘法的巧算········································.5第3 讲 小数除法的巧算········································.9第4 讲 小数四则运算···········································12第5 讲 平均数····················································16第6 讲 面积计算（1）··········································20第7 讲 面积计算（2）··········································25第8 讲 周期问题·················································30第9 讲 盈亏问题·················································34第10 讲 假设法解题·············································38第11 讲 巧数图形················································42第12 讲 巧算表面积·············································46第13 讲 涂色问题················································52第14 讲 巧算体积（1） ········································57第1 讲 循环小数·················································.1 第2 讲 小数乘法的巧算········································.5 第3 讲 小数除法的巧算········································.9 第4 讲 小数四则运算···········································12 第5 讲 平均数····················································16 第6 讲 面积计算（1）··········································20 第7 讲 面积计算（2）··········································25 第8 讲 周期问题·················································30 第9 讲 盈亏问题·················································34 第10 讲 假设法解题·············································38 第11 讲 巧数图形················································42 第12 讲 巧算表面积·············································46 第13 讲 涂色问题················································52 第14 讲 巧算体积（1） ········································57 第15 讲 巧算体积（2） ········································62 第16 讲 数的整除················································66 第17 讲 分解质因数·············································70 第18 讲 *大公因数·············································74 第19 讲 *小公倍数·············································78 第20 讲 奇偶性分析·············································82 第21 讲 巧比分数的大小·······································86 第22 讲 分数求和技巧··········································89 第23 讲 列方程解应用题（1） ·······························93 第24 讲 列方程解应用题（2） ·······························98 第25 讲 相遇问题·············································.102 第26 讲 追及问题·············································.107 第27 讲 流水行船问题·······································.111 第28 讲 容斥原理·············································.115 第29 讲 找次品················································.119 第30 讲 逻辑推理·············································.123