=IF(AND(D14="",E14="")=TRUE,"",SUM(D14:E14)) 怎么理解
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![=IF(AND(D14=](/uploads/image/z/7634639-47-9.jpg?t=%3DIF%28AND%28D14%3D%22%22%2CE14%3D%22%22%29%3DTRUE%2C%22%22%2CSUM%28D14%3AE14%29%29+%E6%80%8E%E4%B9%88%E7%90%86%E8%A7%A3)
=IF(AND(D14="",E14="")=TRUE,"",SUM(D14:E14)) 怎么理解
=IF(AND(D14="",E14="")=TRUE,"",SUM(D14:E14)) 怎么理解
=IF(AND(D14="",E14="")=TRUE,"",SUM(D14:E14)) 怎么理解
如果单元格D14和E14都是空值,则等于空值,否则等于D14和E14的和