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北师大版第五版小学数学2下新教材解读

  • 2026-09-20 06:36:22
北师大版第五版小学数学2下新教材解读

具体内容

【数与代数】

【图形与几何】

【统计与概率】

【综合与实践】

来源 |北京师范大学出版社。以上内容仅作学习分享，版权属原作者及原出处所有。如涉及版权等问题，请联系我们处理。

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北师大版小学数学二年级下册电子课本/教材(高清完整版)

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000548s ] mysql:host=172.18.0.4;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000820s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000435s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000442s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000780s ]
  6. SELECT * FROM `set` [ RunTime:0.000384s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000887s ]
  8. SELECT * FROM `article` WHERE `id` = 463072 LIMIT 1 [ RunTime:0.000532s ]
  9. UPDATE `article` SET `lasttime` = 1789925225 WHERE `id` = 463072 [ RunTime:0.001944s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000358s ]
  11. SELECT * FROM `article` WHERE `id` < 463072 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000581s ]
  12. SELECT * FROM `article` WHERE `id` > 463072 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000466s ]
  13. SELECT * FROM `article` WHERE `id` < 463072 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000864s ]
  14. SELECT * FROM `article` WHERE `id` < 463072 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001229s ]
  15. SELECT * FROM `article` WHERE `id` < 463072 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001127s ]
0.092439s