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【电子课本】人教版初中数学七年级下册(2025春新教材)

  • 2026-03-23 22:09:15
【电子课本】人教版初中数学七年级下册(2025春新教材)

初中数学电子课本

（七年级下册）

学段：初中

年级：七年级科目：数学版本：人教版册次：下册

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  1. CONNECT:[ UseTime:0.000452s ] mysql:host=127.0.0.1;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000621s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000285s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.002286s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000524s ]
  6. SELECT * FROM `set` [ RunTime:0.010948s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000655s ]
  8. SELECT * FROM `article` WHERE `id` = 460820 LIMIT 1 [ RunTime:0.003499s ]
  9. UPDATE `article` SET `lasttime` = 1775475351 WHERE `id` = 460820 [ RunTime:0.005434s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000333s ]
  11. SELECT * FROM `article` WHERE `id` < 460820 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000518s ]
  12. SELECT * FROM `article` WHERE `id` > 460820 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000384s ]
  13. SELECT * FROM `article` WHERE `id` < 460820 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.007083s ]
  14. SELECT * FROM `article` WHERE `id` < 460820 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.015728s ]
  15. SELECT * FROM `article` WHERE `id` < 460820 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.019610s ]
0.134590s