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Excel里这5个函数,建议你死磕到底,工作效率翻倍!

  • 2026-07-06 02:11:52
Excel里这5个函数,建议你死磕到底,工作效率翻倍!

前几天有个朋友跟我吐槽,说自己花了大几千去学Excel,结果上课老师讲的函数有一百多个,听得头都晕,回来还是不知道怎么用。

其实,真没必要把每个函数都背下来。我做Excel这么多年,老实说,很多函数一年也用不上一次。真正能让你效率起飞、日常用到吐血的,就那么几个。

今天直接上干货,把我觉得最好用、最常用的5个函数一次性整理出来。建议你先收藏,用的时候直接翻出来对着套就行了。


01 按条件求平均值:AVERAGEIFS

场景:你想算一下“销售部3”里面、学历是“本科”的那些人,平均业绩是多少?

手动去筛再算,太慢了。这个公式一键搞定:

=AVERAGEIFS(D:D, A:A, "销售部3", C:C, "本科")

逻辑很简单:先告诉Excel“要算哪一列的平均值”,再告诉它“第一条件是啥”、“第二条件是啥”……层层的条件加上去就行。

💡 一句话总结:多条件求平均值,用它准没错。


02 筛选后也能正确求和:SUBTOTAL

场景:你筛选了“1班”和“3班”的英语成绩,想只对筛选出来那些成绩求和。

普通求和(SUM)会把隐藏的行也算进去,结果就错了。这时候用SUBTOTAL:

=SUBTOTAL(9, E2:E10)

这里的数字 9 代表“求和”。如果你写 109,那就是忽略手动隐藏的行。一般日常用9就够了。

💡 一句话总结:筛选后的数据求和、求平均值、计数……用SUBTOTAL最稳。


03 多条件计数:COUNTIFS

场景:统计“1班”里面,英语成绩刚好99分的有几个人。

=COUNTIFS(A2:A10, "1班", E2:E10, "99")

一个条件、两个条件、更多条件都可以,直接往里加就行。

💡 一句话总结:想按多个条件数人数、数订单、数任何东西,就它了。


04 判断及格/不及格:IF

场景:数学成绩≥60分的写“及格”,否则写“不及格”。

=IF(C2>=60, "及格", "不及格")

这是Excel里最简单的逻辑判断函数,但也是用得最多的。学会了它,什么“优秀/良好/合格/不合格”多层级判断,都是在它基础上改出来的。

💡 一句话总结:Excel里的“是/否”判断,全靠它。


05 查找重复值:COUNTIF + IF

场景:看看英语成绩这一列里,有没有重复的分数。

=IF(COUNTIF(D:D, D2)>1, "重复", "")

先用COUNTIF数一数D列里跟D2一样的有几个,如果大于1,就说明有重复,显示“重复”,否则留空。

💡 一句话总结:查重复数据,这个组合最简单。


最后说几句

函数学多了真没必要,不如把上面这几个吃得透透的。每个花十分钟,自己动手敲一遍,以后遇到类似问题脑子里马上就有画面。

建议你现在就把这篇收藏起来,下次做表格卡壳了,直接翻出来对号入座。

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  1. CONNECT:[ UseTime:0.000657s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000828s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000325s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000285s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000539s ]
  6. SELECT * FROM `set` [ RunTime:0.000199s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000575s ]
  8. SELECT * FROM `article` WHERE `id` = 527777 LIMIT 1 [ RunTime:0.000418s ]
  9. UPDATE `article` SET `lasttime` = 1783343659 WHERE `id` = 527777 [ RunTime:0.016011s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000266s ]
  11. SELECT * FROM `article` WHERE `id` < 527777 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.003681s ]
  12. SELECT * FROM `article` WHERE `id` > 527777 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003046s ]
  13. SELECT * FROM `article` WHERE `id` < 527777 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002502s ]
  14. SELECT * FROM `article` WHERE `id` < 527777 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004230s ]
  15. SELECT * FROM `article` WHERE `id` < 527777 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.011959s ]
0.118856s