有三個周五六日的年月 (13165)

B1 下拉{=SMALL(IF(MOD((ROW($2000:$2999)&-{1,3,5,7,8,10,12}&-1)-2,7)=4,DATE(ROW($2000:$2999),{1,3,5,7,8,10,12},1)),ROW(A1))



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