B1单元输入公式:=IF(AND(A1>=2,A1<3,C1<>"",0.2,IF(AND(A1>=3,A1<4,C1<>"",0.4,""))
=IF(NOT(ISBLANK(C1)),IF((A1>=2)*(A1<3),0.2,IF((A1>=3)*(A1<=4),0.4,"")),"")