在B1中输入或复制粘贴下列公式之王=IF(A1>=85,"优秀",IF(A1>=60,"及格","不及格"))=IF(A1<60,"不及格",IF(A1<85,"及格","优秀"))=LOOKUP(A1,{0,60,85},{"不及格","及格","优秀"})下拉填充
假设平均成绩在A1，公式：=IF(A1>=85,"优秀",IF(A1>=60,"及格","不及格"))
