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=IF(B3="","∨",IF(ISNA(VLOOKUP(B3,$G$3:$G$221,1,FALSE)),"×","

来源:学生作业帮 编辑:作业帮 分类:综合作业 时间:2024/05/16 06:46:34
=IF(B3="","∨",IF(ISNA(VLOOKUP(B3,$G$3:$G$221,1,FALSE)),"×","∨")) 我想知道这公式的意思
如果b3的值没出现在g列,就返回×,否则返回∨,可以简化为=IF(ISNA(VLOOKUP(B3,$G$3:$G$221,1,FALSE)),"×","∨"),VLOOKUP(B3,$G$3:$G$221,1,FALSE)意思是在$G$3:$G$221里找b3,若能找到就返回b3的值,但找不到会返回错误值!#N/A,而ISNA(VISNA(VLOOKUP(B3,$G$3:$G$221,1,FALSE))的意思是isna来判断VLOOKUP(B3,$G$3:$G$221,1,FALSE)的结果是否是错误值#N/A,若是,ISNA(VLOOKUP(B3,$G$3:$G$221,1,FALSE))结果为真(即条件成立)