推荐回答(2个)
幂运算拥有最高优先级(最先进行运算), 而逻辑比较运算符拥有最低优先级(最后进行运算)。使用括号可以攫盖 Exccl 的内置优先顺序,括号中的表达式总是最先计算。
举例说明运算符的优先级规则:
1、例如 B2中的值减去B3 中的值,然后与 B4 中的值相乘,输入公式:= ( B2 - B3 ) * B4。

2、如果输入时没有括号:= B2 - B3 * B4, Excel 将会计算出另一个答案,因为乘号拥有较高的优先级,所以 B3 会首先与 B4 相乘,然后B2 才去减 B3 和 B4 相乘的结果。

3、公式中,括号可以嵌套使用,也就是在括号的内部还可以有括号。Excel会首先计算最里面括号中的表达式,然后计算外面的,例如:=( ( B2 * C2 ) + (B3 * C3 ) + ( B4 * C4 ) ) * B6 。

4、公式中有 4 组括号,前 3 个嵌套在第 4 个括号里曲。 Excel 会首先计算最里面括号中的内容,然后再把这 3 个结果相加,这一结果再乘以 B6 中的值。

Excel 包含四种类型运算符(总计16个),分别为:
算术运算符(6个) 它们的作用是完成基本的数学运算,产生数字结果等,它包括:+ 、-、*、/、%、^ ,含义依次为加、减、乘、除、百分数、乘方。
比较操作符(6个) 它们的作用是可以比较两个值,结果为一个逻辑值,不是“TRUE”就是 “FALSE”。包括:=、〉、〈、〉=、〈=、〈〉,含义依次为等于、大于、小于、大于等于、小于等于、不等于。
文本连接符(1个) 使用文本连接符(&)可加入或连接一个或更多字符串以产生一长文本。例如:“2000年”& “祖国更繁荣”就产生“2000年祖国更繁荣”。
引用操作符(3个) 引用以下三种运算符可以将单元格区域进一步处理。
冒号“:”——连续区域运算符,对两个引用之间包括两个引用在内的所有单元格进行引用。如SUM(B5:C10),计算B5到C10的连续12个单元格之和。
逗号“,”——联合操作符可将多个引用合并为一个引用。如SUM(B5:B10,D5:D10),计算B列、D列共12个单元格之和。
空格——取多个引用的交集为一个引用,该操作符在取指定行和列数据时很有用。如SUM(B5:B10 A6:C8),计算B6到B8三个单元格之和。
如果公式中同时用到了多个运算符,Excel 将按一定的顺序(优先级由高到低)进行运算,相同优先级的运算符,将从左到右进行计算。若是记不清或想指定运算顺序,可用小括号括起相应部分。
优先级由高到低依次为:1.引用运算符 2.负号 3.百分比 4.乘方 5.乘除 6.加减 7.连接符 8.比较运算符。
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