=IF(OR(A1="A",A1="B",A1="C"),1,IF(OR(A1="D",A1="E",A1="F"),2,""))
或=IF(OR(A1={"A","B","C"}),1,IF(OR(A1={"D","E","F"}),2,""))
=IF(OR(A1="A",A1="B",A1="C"),1,IF(OR(A1="D",A1="E",A1="F"),2,""))
楼下的算你快
B1=INDEX({1,1,1,2,2,2},MATCH(A1,{"A","B","C","D","E","F"},0))
下拉
同意杨柳岸的回答,一楼也是对的,不过有一个逗号变成全角。