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html课件 | 相等的周长

  • 2026-05-12 15:11:45
html课件 | 相等的周长

“相等的周长”是北师大版三年级数学下册的内容，课件演示了两种知道周长确定长和宽的方法，学生和教师都可使用。

课件演示视频

“相等的周长”资料下载地址

链接: https://pan.baidu.com/s/1OFCMNoREnERD7peZP3MUjA 提取码: cpqx

“相等的周长”链接地址，可通过超链接设置在其他课件中。

https://api.zcat.cn/view/61b7d484-f79e-49d7-b60d-6e4e88ef07d6

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小学数学新苏教版三年级下册全册教案(2026春版)

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  1. CONNECT:[ UseTime:0.000636s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000742s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000326s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000293s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000563s ]
  6. SELECT * FROM `set` [ RunTime:0.000253s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000552s ]
  8. SELECT * FROM `article` WHERE `id` = 495451 LIMIT 1 [ RunTime:0.000425s ]
  9. UPDATE `article` SET `lasttime` = 1778983655 WHERE `id` = 495451 [ RunTime:0.013237s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000402s ]
  11. SELECT * FROM `article` WHERE `id` < 495451 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001459s ]
  12. SELECT * FROM `article` WHERE `id` > 495451 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000409s ]
  13. SELECT * FROM `article` WHERE `id` < 495451 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001752s ]
  14. SELECT * FROM `article` WHERE `id` < 495451 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001912s ]
  15. SELECT * FROM `article` WHERE `id` < 495451 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003311s ]
0.128981s