自動換列格式 遲到次數 (14016)

M3=COUNTIFS(B2:K2,">08:10?",B2:K2,"<08:31?")

另解{=SUM(IFERROR((LEFT(B2:K2,5)-"08:10">0)*(LEFT(B2:K2,5)-"08:31"<0),))



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