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2026年八年级数学寒假精品讲义-北师大版【第9讲 解题技巧专题:等腰(直角)三角形中的分类讨论思想】

  • 2026-11-02 01:51:11
2026年八年级数学寒假精品讲义-北师大版【第9讲 解题技巧专题:等腰(直角)三角形中的分类讨论思想】

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2026年八年级数学寒假精品讲义-北师大版【第7讲 解题技巧专题:三角形中的倒角模型之双角平分线和高线模型】

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  1. CONNECT:[ UseTime:0.000712s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000824s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000454s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000390s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000563s ]
  6. SELECT * FROM `set` [ RunTime:0.000300s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000646s ]
  8. SELECT * FROM `article` WHERE `id` = 463448 LIMIT 1 [ RunTime:0.000366s ]
  9. UPDATE `article` SET `lasttime` = 1794085417 WHERE `id` = 463448 [ RunTime:0.001492s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000453s ]
  11. SELECT * FROM `article` WHERE `id` < 463448 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000473s ]
  12. SELECT * FROM `article` WHERE `id` > 463448 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000384s ]
  13. SELECT * FROM `article` WHERE `id` < 463448 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000560s ]
  14. SELECT * FROM `article` WHERE `id` < 463448 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000521s ]
  15. SELECT * FROM `article` WHERE `id` < 463448 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000791s ]
0.097915s