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【七上课件】1.1正数和负数(课件PPT+教学设计)

  • 2026-08-24 11:18:40
【七上课件】1.1正数和负数(课件PPT+教学设计)
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数学匠工作室：数学优质课件和学习资料整合分享。今日优质课件，七年级数学上册第一章《1.1正数和负数》课件具体内容展示：源文件下载后，正文无水印，有动画！可修改！源文件下载后，正文无水印，有动画！可修改！源文件下载后，正文无水印，有动画！可修改！

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  1. CONNECT:[ UseTime:0.001157s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001693s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000751s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000696s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001384s ]
  6. SELECT * FROM `set` [ RunTime:0.000624s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001546s ]
  8. SELECT * FROM `article` WHERE `id` = 525842 LIMIT 1 [ RunTime:0.001084s ]
  9. UPDATE `article` SET `lasttime` = 1787579722 WHERE `id` = 525842 [ RunTime:0.013550s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.008954s ]
  11. SELECT * FROM `article` WHERE `id` < 525842 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.007158s ]
  12. SELECT * FROM `article` WHERE `id` > 525842 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.005151s ]
  13. SELECT * FROM `article` WHERE `id` < 525842 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003358s ]
  14. SELECT * FROM `article` WHERE `id` < 525842 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.003378s ]
  15. SELECT * FROM `article` WHERE `id` < 525842 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003789s ]
0.219409s