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Excel 函数入门:6 个统计函数一次讲透

  • 2026-11-05 01:57:55
Excel 函数入门:6 个统计函数一次讲透

Excel 函数入门：6 个统计函数一次讲透

Excel 函数一 · 基础统计，一个函数一张图：
① 先看懂函数：等号、函数名、括号、区域
② SUM 求和：=SUM(B2:B5) 一步到位
③ AVERAGE 平均值：先加再除
④ COUNT 计数：只数数字，文本不算
⑤ MAX 最大值：最高分一眼看出
⑥ ROUND 四舍五入：位数写 -1 保留到十位
⑦ INT 向下取整：负数越取越小
⑧ 统计函数全汇总：12 个函数一张图
每页都有例子、结果、常见错误和动手练习，照着练一遍就会。
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  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=2a9a7216811ef8637bda6476ed82327b
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  1. CONNECT:[ UseTime:0.000611s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000860s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000439s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000361s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000530s ]
  6. SELECT * FROM `set` [ RunTime:0.000291s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000679s ]
  8. SELECT * FROM `article` WHERE `id` = 567470 LIMIT 1 [ RunTime:0.000357s ]
  9. UPDATE `article` SET `lasttime` = 1794181479 WHERE `id` = 567470 [ RunTime:0.001301s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000303s ]
  11. SELECT * FROM `article` WHERE `id` < 567470 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000449s ]
  12. SELECT * FROM `article` WHERE `id` > 567470 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000385s ]
  13. SELECT * FROM `article` WHERE `id` < 567470 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000485s ]
  14. SELECT * FROM `article` WHERE `id` < 567470 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000479s ]
  15. SELECT * FROM `article` WHERE `id` < 567470 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000470s ]
0.079994s