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Excel SUM函数:从入门到精通,3分钟搞定数据求和
一、SUM 函数核心语法:简单到不用记 SUM 函数是 Excel 中最基础也最常用的求和函数,核心作用是 计算指定区域/ 数值的总和,语法结构极简: 参数说明: number1:必需参数,可是单个数值(如 5)、单元格引用(如 A1)、单元格区域(如 A1:A10); [number2 ...
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