=INDEX(B:B,MAX(IF(COUNTIF(B$2:B$26,B$2:B$26)=1,ROW($2:$26))))
按【组合键】确认!
=INDEX(B:B,MAX((COUNTIF(OFFSET($B$2,,,ROW($1:$100)),$B$1:$B$100)=1)*ROW($1:$100)))&"、"&INDEX(C:C,MAX((COUNTIF(OFFSET($C$2,,,ROW($1:$100)),$C$1:$C$100)=1)*ROW($1:$100)))&"、"&INDEX(D:D,MAX((COUNTIF(OFFSET($D$2,,,ROW($1:$100)),$D$1:$D$100)=1)*ROW($1:$100)))
按Ctrl+Shift+Enter完成输入
=LOOKUP(1,0/(COUNTIF(B1:B800,B1:B800)=1),B1:B800)
看是不是你要的结果