在Excel工作表中存放了第一中学和第二中学所有班级总计300个学生的考试成绩,A列到D列分别对应“学校”、“班级”、“学号”、“成绩”,利用公式计算第一中学班的平均分,最优的操作方法是:
选项:
A: =SUMIFS(D2:D301,B2:B301,"3班"./COUNTIFS(B2:B301,"3班".
B: =SUMIFS(D2:D301,A2:A301,"第一中学",B2:B301,"3班"./COUNTIFS(A2:A301,"第一中学”,B2:B301,"3班".
C: =AVERAGEIF(D2:D301,A2:A301,"第一中学”,B2:B301,"3班".
D: =AVERAGEIFS(D2:D301,A2:A301,"第一中学”,B2:B301,"3班".
发布时间:2024-04-15 10:10:33