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课件分享 | 何湘玉:北师大版八年级综合与实践《神奇的加密术》

  • 2026-04-19 00:24:40
课件分享 | 何湘玉:北师大版八年级综合与实践《神奇的加密术》

[图片]引言：12月29日，佛山数学实验教学研究团队应邀赴惠州市惠城区合生实验学校，聚焦数学实验教学实践开展示范授课与讲座研讨，来自工作坊的三位教师分别在三个年级授课，呈现了三节特色鲜明、各有侧重的精彩课堂，有效辐射推广工作坊教研成果，发挥专业引领效能。今天推送何湘玉老师八年级示...

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  1. CONNECT:[ UseTime:0.000564s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001093s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000365s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000262s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000733s ]
  6. SELECT * FROM `set` [ RunTime:0.000209s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000750s ]
  8. SELECT * FROM `article` WHERE `id` = 461402 LIMIT 1 [ RunTime:0.000507s ]
  9. UPDATE `article` SET `lasttime` = 1777027562 WHERE `id` = 461402 [ RunTime:0.007139s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000286s ]
  11. SELECT * FROM `article` WHERE `id` < 461402 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000511s ]
  12. SELECT * FROM `article` WHERE `id` > 461402 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000431s ]
  13. SELECT * FROM `article` WHERE `id` < 461402 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002888s ]
  14. SELECT * FROM `article` WHERE `id` < 461402 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004192s ]
  15. SELECT * FROM `article` WHERE `id` < 461402 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.006835s ]
0.125663s