=IF(A1<60,"不及格",IF(A1<70,"及格",IF(A1<80,"良",IF(A1<90,"一般","优秀"))))
如果学生成绩在G列，那么输入以下公式，然后向下填充公式=IF(G2<60,"不及格",IF(B2<70,"及格",IF(B2<80,"一般",IF(B2<90,"良","优"))))
