連續數字 分組求和 (14471)

D4{=IF(ROW(A1)-1>SUM((B$4:B$98="")*(B$5:B$99<>"")),"",SUM(OFFSET(B$3,,,MAX(SMALL(IF((B$4:B$98="")*(B$5:B$99<>""),ROW($1:$25),99),ROW(A1)))))-SUM(D$3:D3))



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