作业帮 > 综合 > 作业

已知:B列日期 L列日收入金额2011-05-01 60 2011-05-02 60 2011-05-03 0 2011

来源:学生作业帮 编辑:大师作文网作业帮 分类:综合作业 时间:2024/11/10 22:15:50
已知:
B列日期 L列日收入金额
2011-05-01 60
2011-05-02 60
2011-05-03 0
2011-05-04 0
2011-05-04 0
2011-05-05 0
2011-05-06 0
2011-05-07 65
2011-05-08 50
2011-05-09 70
2011-05-10 45
2011-05-11 220
2011-05-11 50
2011-05-13 60
2011-05-13 65
2011-05-14 60
2011-05-14 80
2011-05-16 70
2011-05-22 45
2011-05-24 45
2011-05-25 30
2011-05-26 10
2011-05-26 30
2011-05-27 220
2011-05-28 45
2011-05-29 80
2011-05-29 120
2011-05-31 180
请问excel怎样计算月平均收入?未出现的天数和收入为0的天数也要算一天
已知:B列日期 L列日收入金额2011-05-01 60 2011-05-02 60 2011-05-03 0 2011
=sum(B:B)/31