隨機產生不重複 5數據 (14889)

J2:N6{=INDEX($B:$B,SMALL(IF((COUNTIF($I2:I2,$B$2:$B$99)=0)*($B$2:$B$99<>""),ROW($2:$99)),RANDBETWEEN(1,COUNTA($B:$B)-COLUMN(A1))))