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北师大版初中数学教材“回顾·反思”栏目分析与实施建议

  • 2026-09-26 20:09:24
北师大版初中数学教材“回顾·反思”栏目分析与实施建议

本文来源于《中国数学教育》上半月（初中版） 2026年第8期。

北师大新世纪（版）

 初中数学教材

www.tymath.com

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数字教材不是“资源越多越好”:判断一本好

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000464s ] mysql:host=172.18.0.4;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000618s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000361s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000340s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000822s ]
  6. SELECT * FROM `set` [ RunTime:0.000254s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000791s ]
  8. SELECT * FROM `article` WHERE `id` = 473101 LIMIT 1 [ RunTime:0.000350s ]
  9. UPDATE `article` SET `lasttime` = 1790453347 WHERE `id` = 473101 [ RunTime:0.002096s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000321s ]
  11. SELECT * FROM `article` WHERE `id` < 473101 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000426s ]
  12. SELECT * FROM `article` WHERE `id` > 473101 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000436s ]
  13. SELECT * FROM `article` WHERE `id` < 473101 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000641s ]
  14. SELECT * FROM `article` WHERE `id` < 473101 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000649s ]
  15. SELECT * FROM `article` WHERE `id` < 473101 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001031s ]
0.078355s