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计算机一Excel常用函数函数有哪些?

  • 2026-03-26 10:21:28
计算机一Excel常用函数函数有哪些?

计算机一级:只考「基础函数」,侧重“会用、会输、算对”,题型简单(多为单一函数计算),比如求和、求平均值、求最大值,记住公式、会填参数就能得分,占Excel考题的20%-30%;

求和函数:SUM

公式格式:=SUM(数据区域)

用途:计算指定区域内所有数字的和(比如计算班级总分、月度销售额);

实操要点:选中需要求和的单元格区域(比如A1:A10),直接输入公式,回车即可;如果是不连续区域,公式中用逗号分隔(比如=SUM(A1:A5,C1:C5));

易错点:不要漏写括号,区域引用不要出错(比如把A1:A10写成A11:A20)。

平均值函数:AVERAGE

公式格式:=AVERAGE(数据区域)

用途:计算指定区域内数字的平均值(比如计算班级平均分、平均分成绩);

实操要点:和SUM函数操作一致,选中数据区域,输入公式即可;自动忽略区域内的文本、空单元格;

易错点:不要把“平均值”和“求和”混淆,公式不要写错(比如把AVERAGE写成AVERGE)。

最大值函数:MAX

公式格式:=MAX(数据区域)

用途:找出指定区域内的最大数字(比如找出班级最高分、最高销售额);

实操要点:直接引用数据区域,回车即可得出结果;

补充:对应最小值函数MIN,公式格式=MIN(数据区域),一级偶尔考,记熟格式即可。

计数函数:COUNT

公式格式:=COUNT(数据区域)

用途:计算指定区域内「数字单元格」的个数(比如统计班级及格人数、有效数据个数);

实操要点:只统计数字,文本、空单元格、错误值都会被忽略;

易错点:区分COUNT(计数数字)和COUNTA(计数所有非空单元格),一级只考COUNT。

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  1. CONNECT:[ UseTime:0.000792s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001442s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000674s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000698s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001386s ]
  6. SELECT * FROM `set` [ RunTime:0.000803s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001641s ]
  8. SELECT * FROM `article` WHERE `id` = 473469 LIMIT 1 [ RunTime:0.005139s ]
  9. UPDATE `article` SET `lasttime` = 1775377522 WHERE `id` = 473469 [ RunTime:0.004067s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000764s ]
  11. SELECT * FROM `article` WHERE `id` < 473469 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001685s ]
  12. SELECT * FROM `article` WHERE `id` > 473469 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003334s ]
  13. SELECT * FROM `article` WHERE `id` < 473469 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002512s ]
  14. SELECT * FROM `article` WHERE `id` < 473469 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.005758s ]
  15. SELECT * FROM `article` WHERE `id` < 473469 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003633s ]
0.145112s