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群论习题解 | 1.2 群 — Fraleigh《抽象代数基础教程》

当前时间： 2026-07-14 16:05:27 分类：办公文件 评论(0)
群论习题解 | 1.2 群 — Fraleigh《抽象代数基础教程》

本文为 Fraleigh《抽象代数基础教程》1.2 群 的习题解答。本章内容涉及群论进阶主题，建议在完成前三讲课堂笔记的学习后再阅读。

关于教材及译本说明，请参见本系列 群论习题解 | 第0章 — Fraleigh《抽象代数基础教程》 中的详细介绍。

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  145. /yingpanguazai/ssd/ssd1/www/wwww.yeyulingfeng.com/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000821s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000671s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.004777s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.006672s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000628s ]
  6. SELECT * FROM `set` [ RunTime:0.004058s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000680s ]
  8. SELECT * FROM `article` WHERE `id` = 836206 LIMIT 1 [ RunTime:0.015312s ]
  9. UPDATE `article` SET `lasttime` = 1784759969 WHERE `id` = 836206 [ RunTime:0.004339s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000660s ]
  11. SELECT * FROM `article` WHERE `id` < 836206 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.015931s ]
  12. SELECT * FROM `article` WHERE `id` > 836206 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.029225s ]
  13. SELECT * FROM `article` WHERE `id` < 836206 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.010787s ]
  14. SELECT * FROM `article` WHERE `id` < 836206 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.010390s ]
  15. SELECT * FROM `article` WHERE `id` < 836206 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001892s ]
0.193372s