R4公式:=IF(OR(C4={1,4,7}),1,"")S4公式:=IF(OR(C4={2,5,8}),1,"")T4公式:=IF(OR(C4={0,3,6,9}),1,"")
R4输入:=IF(MOD($C4,3)=MOD(COLUMN(A1),3),1,""),右拉至T4含义:C4除以3的余数与相应的列除以3的余数相同,则为1,否则为空。用COLUMN(A1)来取列标,右拉时,会变成COLUMN(B1)……
=SUMPRODUCT(({0,3,6,9}=C1)*1)