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2026年春新教材小学北师大版二年级数学下册电子课本(完整PDF,可打印)

  • 2026-04-02 16:03:55
2026年春新教材小学北师大版二年级数学下册电子课本(完整PDF,可打印)

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  1. CONNECT:[ UseTime:0.000980s ] mysql:host=127.0.0.1;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001417s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000826s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000700s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001306s ]
  6. SELECT * FROM `set` [ RunTime:0.000600s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001465s ]
  8. SELECT * FROM `article` WHERE `id` = 463529 LIMIT 1 [ RunTime:0.001257s ]
  9. UPDATE `article` SET `lasttime` = 1775589849 WHERE `id` = 463529 [ RunTime:0.028851s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.005058s ]
  11. SELECT * FROM `article` WHERE `id` < 463529 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001411s ]
  12. SELECT * FROM `article` WHERE `id` > 463529 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001107s ]
  13. SELECT * FROM `article` WHERE `id` < 463529 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001850s ]
  14. SELECT * FROM `article` WHERE `id` < 463529 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001798s ]
  15. SELECT * FROM `article` WHERE `id` < 463529 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.010589s ]
0.228354s