假设下拉在A1,显示在B1,则在B1类似输入:=IF(A1="桌子",90,IF(A1="椅子",60,IF(A1="讲台",150,IF(A1="电脑",450,"空"))))
建议增加C列,显示结果。假设下拉在A1,B1,显示结果在C1。利用下拉句柄就可在ABC列设置N行下拉选项在C1类似输入:=IF(B1="30*3",90,IF(B1="30*2",60,IF(B1="30*5",150,IF(B1="30*15",450,""))))