A.
SELECT 歌手号, (COUNT(分数)-MAX(分数)-MIN(分数))/(SUM(*)-2)最后得分FROM 评分 INTO DBF TEMP GROUP BY 歌手号 ORDER BY 最后得分 DESC
B.
SELECT 歌手号, (COUNT(分数)-MAX(分数)-MIN(分数))/(SUM(*)-2)最后得分FROM 评分 INTO DBF TEMP GROUP BY 评委号 ORDER BY 最后得分 DESC
C.
SELECT 歌手号, (SUM (分数)-MAX(分数)-MIN(分数))/(COUNT (*)-2)最后得分FROM 评分 INTO DBF TEMP GROUP BY 评委号 ORDER BY 最后得分 DESC
D.
SELECT 歌手号, (SUM(分数)-MAX(分数)-MIN(分数))/(COUNT(*)-2)最后得分FROM 评分 INTO DBF TEMP GROUP BY 歌手号 ORDER BY 最后得分 DESC