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Excel每日一练:find函数和left函数结合使用【有讲解视频】

  • 2026-09-22 22:22:13
Excel每日一练:find函数和left函数结合使用【有讲解视频】

今天我们来练习excel中find函数和left函数结合使用。

请A列的单元格，提取放在B列，该如何写公式。

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Excel每日一练:SUM和TEXTSPLIT函数嵌套练习【有讲解视频】

基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-09-23 06:25:28 HTTP/1.1 GET : http://h.sjds.net/a/556485.html
  2. 运行时间 : 0.076270s [ 吞吐率：13.11req/s ] 内存消耗：4,263.14kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=53c3eb9e65a03de2d8b904dab9c20a0f
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  1. CONNECT:[ UseTime:0.000614s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000997s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000482s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000377s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000533s ]
  6. SELECT * FROM `set` [ RunTime:0.000293s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000629s ]
  8. SELECT * FROM `article` WHERE `id` = 556485 LIMIT 1 [ RunTime:0.000363s ]
  9. UPDATE `article` SET `lasttime` = 1790115928 WHERE `id` = 556485 [ RunTime:0.001861s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000325s ]
  11. SELECT * FROM `article` WHERE `id` < 556485 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000472s ]
  12. SELECT * FROM `article` WHERE `id` > 556485 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000388s ]
  13. SELECT * FROM `article` WHERE `id` < 556485 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000549s ]
  14. SELECT * FROM `article` WHERE `id` < 556485 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000554s ]
  15. SELECT * FROM `article` WHERE `id` < 556485 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000582s ]
0.090105s