连续12个有效值求和
如下:求最下面一个有效值连续向上12个单元格的求和,=SUM(OFFSET(A1,COUNTA(A:A)-1,,-12)) =SUM(INDIRECT("A"&LOOKUP(E9+307,A:A,ROW(A:A))-9&":A"&1048576)) 数组公式:
=SUM(--TRIM(MID(RIGHT(SUBSTITUTE(TEXTJOIN(",",,A:A),",",REPT(" ",99)),1000),ROW(1:10)*100-99,100)))
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