<p>[hide]</p><p>必做第一题:=LENB(ASC(B7))-LEN(ASC(B7))</p><p>必做第二题:=MIN(FIND({1,2,3,4,5,6,7,8,9,0},B7&5^19))</p><p> =MIN(IF(ISNUMBER(--MID(B7,ROW($1:$50),1)),ROW($1:$50)))</p><p>[/replyv iew]</p> |