任意插入行后 總和自動更新 (13636)

B11=SUM(OFFSET(INDIRECT("R1C",),,,ROW()-1))

另解=SUM(INDIRECT("r1c",):INDIRECT("r[-1]c",))

另解=SUM(INDIRECT("B1"):INDEX(B:B,ROW()-1))

另解=SUM(INDIRECT("r1c:r[-1]c",))



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