包邮数独秘诀

第1章 数独及其运算规则 ···································1第2章 数独运算规则应用举例 ·····························202.1 数独题目1 ··················································202.2 数独题目 2 ··················································232.3 数独题目3 ··················································27第1章 数独及其运算规则 ···································1 第2章 数独运算规则应用举例 ·····························20 2.1 数独题目1 ··················································20 2.2 数独题目 2 ··················································23 2.3 数独题目3 ··················································27 2.4 数独题目4 ··················································30 2.5 数独题目5 ··················································33 2.6 数独题目6 ··················································37 2.7 数独题目7 ··················································41 2.8 数独题目8 ··················································45 2.9 数独题目9 ··················································51 2.10 数独题目10 ···············································55 第3章 格圈、格链及其应用 ································56 3.1 格圈和格链 ·················································56 3.2 广义格链 ····················································73 3.3 排除法 ·······················································89 第4章 数独世界难题 ········································ 103 4.1 数独难题1 ················································· 105 4.2 数独难题2 ················································· 111 4.3 等价的数独题目 ···········································116 附录一 移棋相间法 ············································118 附录二 天平秤球 ·············································· 121 附录三 确定帽子颜色 ········································ 129