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【可编辑】初中化学教材课后习题ppt|U1

  • 2026-09-23 01:45:33
【可编辑】初中化学教材课后习题ppt|U1

【可编辑】初中化学教材课后习题ppt｜U1

【获取方式】关注后发送“第一单元教材习题”即可免费领取，持续更新中

九年级化学新教材在课后习题方面有巨大改动，合理利用教材习题，可达到事半功倍的教学效果。

河南,9月8日 20:15,
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26秋小学教材全解

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  1. CONNECT:[ UseTime:0.000663s ] mysql:host=172.18.0.4;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000841s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000436s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000338s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000550s ]
  6. SELECT * FROM `set` [ RunTime:0.000290s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000609s ]
  8. SELECT * FROM `article` WHERE `id` = 471071 LIMIT 1 [ RunTime:0.000341s ]
  9. UPDATE `article` SET `lasttime` = 1790157712 WHERE `id` = 471071 [ RunTime:0.001463s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000329s ]
  11. SELECT * FROM `article` WHERE `id` < 471071 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000424s ]
  12. SELECT * FROM `article` WHERE `id` > 471071 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000358s ]
  13. SELECT * FROM `article` WHERE `id` < 471071 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000614s ]
  14. SELECT * FROM `article` WHERE `id` < 471071 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000567s ]
  15. SELECT * FROM `article` WHERE `id` < 471071 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000651s ]
0.079625s