二區數字重複 取單一 (15023)

I2{=IFERROR(SMALL(IF((COUNTIF(I$1:I1,B$2:C$16)=0)*COUNTIF(E:G,B$2:C$16),B$2:C$16),1),"")

藍色格式化 B2:G16=COUNTIF($I:$I,B2)