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学会用Excel如此简单——比较运算符(八)

  • 2026-08-07 17:25:58
学会用Excel如此简单——比较运算符(八)
逻辑值和数字的算数运算
我们通过上图也可知TRUE相当于1。FALSE相当于0。但是逻辑值也不是只能转换为对应的1或者0,也可以将逻辑值和其它的数字进行算数运算,主要还是要看公式的需求,见招拆招,灵活运用。在运算的过程中把TRUE和FALSE分别看成1和0就可以了。
单逻辑值之间运算
另外,公式中的逻辑值之间也经常进行算数运算,特别是相乘和相加的运算,如上图所示我们可以得出一些结论,逻辑值之间的相乘、相加的运算结果有一定的规律。
·相乘运算:所有的逻辑值必须为TRUE运算的结果才会得1,否则为0。这就相当于逻辑“与”的运算,只有全部为真的时候才会为真。
·相加运算:所有的逻辑值必须为FALSE运算的结果才会得0,否则为1。相当于逻辑或者运算,只有全部为“假”的时候才会为假。
多逻辑值运算
我们通过延伸可以举一反三,多个逻辑值之间的计算方法。下面再给大家举个例子更为直观的了解学习。我们已知三个学生的成绩如下图所示,现在需要对他们的各个成绩进行评定等级,要求如果分数大于90分为优秀,大于等于60分为及格,小于60分为不及格,请给出公式并对每个学生评定等级。
首先我们先了解题目中的需求:给出公式并对每个学生进行评定等级。
=IF(B2>=90,"优秀",IF(B2>=60,"及格","不及格"))
解读题目后我们可以将文字直观的转化为上述公式,如果(IF)分数大于90分(B2>90)为优秀("优秀"),大于等于60分(B2>=60)为及格("及格"),小于60分(<60)为不及格("及格"),为什么这里第二个IF函数的后面没有写(<60),因为IF的第一层判定为真后便不会再对后面的条件进行逻辑否判定,所以我们只需要填写一个判定条件就可以了,同理对于第一个IF的逻辑判断(B2>90)是一样的道理,最后我们只需要向下填充即可得到其它同学的评定等级。
最终结果
大家多加练习,更上一层楼。

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  1. CONNECT:[ UseTime:0.000677s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000705s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000349s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.004753s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000542s ]
  6. SELECT * FROM `set` [ RunTime:0.001023s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000648s ]
  8. SELECT * FROM `article` WHERE `id` = 548834 LIMIT 1 [ RunTime:0.000856s ]
  9. UPDATE `article` SET `lasttime` = 1786105991 WHERE `id` = 548834 [ RunTime:0.002108s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000347s ]
  11. SELECT * FROM `article` WHERE `id` < 548834 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000429s ]
  12. SELECT * FROM `article` WHERE `id` > 548834 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000441s ]
  13. SELECT * FROM `article` WHERE `id` < 548834 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002314s ]
  14. SELECT * FROM `article` WHERE `id` < 548834 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.006024s ]
  15. SELECT * FROM `article` WHERE `id` < 548834 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002798s ]
0.102297s