2022-11-01 11:48发布
K2单元格公式=SUMPRODUCT((A3:A10000>=DATE(2021,MONTH(I1),DAY(I1)-7))*(A3:A10000
公式:=SUMIFS(B:B, A:A,">="&(I1-7), A:A,"<="&I1)本回答被提问者采纳
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公式:
=SUMIFS(B:B, A:A,">="&(I1-7), A:A,"<="&I1)本回答被提问者采纳
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