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【教学课件】(新教材)华师大版初中数学七下《6.1 二元一次方程组和它的解》

  • 2026-10-25 02:12:39
【教学课件】(新教材)华师大版初中数学七下《6.1 二元一次方程组和它的解》

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  1. CONNECT:[ UseTime:0.000753s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000836s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000498s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000457s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000661s ]
  6. SELECT * FROM `set` [ RunTime:0.000381s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000593s ]
  8. SELECT * FROM `article` WHERE `id` = 468572 LIMIT 1 [ RunTime:0.000465s ]
  9. UPDATE `article` SET `lasttime` = 1793932884 WHERE `id` = 468572 [ RunTime:0.001344s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000369s ]
  11. SELECT * FROM `article` WHERE `id` < 468572 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000552s ]
  12. SELECT * FROM `article` WHERE `id` > 468572 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000459s ]
  13. SELECT * FROM `article` WHERE `id` < 468572 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000889s ]
  14. SELECT * FROM `article` WHERE `id` < 468572 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000568s ]
  15. SELECT * FROM `article` WHERE `id` < 468572 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000703s ]
0.106172s