作业帮=IF(A3"",SUM(B$2:B2)-SUM(C$1:C1),"") 看不懂
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/18 23:27:46
x)tp4VR pR1r2U
5u4~Y{MR>Z lȲ鲦g8|]O?y3jy:i{Ӿ ":O',{1F 1 ~c)
=IF(A3"",SUM(B$2:B2)-SUM(C$1:C1),"") 看不懂
=IF(A3"",SUM(B$2:B2)-SUM(C$1:C1),"") 看不懂
=IF(A3"",SUM(B$2:B2)-SUM(C$1:C1),"") 看不懂
如果A3不等于空值,返回B$2:B2的和减去C$1:C1的和,否则返回空值