二欄組合 二欄可增減 (12777)

D1 下拉=IF(ROW(A1)>COUNTA(A:A)*COUNTA(B:B),"",OFFSET(A$1,INT((ROW(A1)-1)/COUNTA(B:B)),)&OFFSET(B$1,MOD(ROW(A1)-1,COUNTA(B:B)),))