=SUM(1/COUNTIF(A1:A15,A1:A15))

 

※ 이름정의 (행수) : =ROW(INDIRECT("1:"&ROWS(범위)))

 

{=IF(SUM(N(MATCH(범위,범위,0)=행수))<ROW(A1),"",OFFSET($A$1,SMALL(IF(MATCH(범위,범위,0)=행수,ROW(범위)-1,""),ROW(A1)),0,1,1))}

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