=AVERAGEIF(A:A,"1班",B:B)=AVERAGEIF(A:A,"2班",B:B)=AVERAGEIF(A:A,"3班",B:B)=AVERAGEIF(A:A,"4班",B:B)=AVERAGEIF(A:A,"5班",B:B)=AVERAGEIF(A:A,"6班",B:B)
同样的类似的问题不要再问第二遍,当老师的都知道什么是举一反三……把上次的前40名的条件去掉,换成全班的条件 就可以了啊!再问有些让人不可理解了……哈哈