电子表格如何算成绩的平均分

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select * from tbl_Articles WHERE ArticleID=1372514 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1372514 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1372514 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1066194,1067915,1097633,1083141,1046666,1065713,1112889,1094633,1112642,1095812,1064553,1086902,1084093,1062566,1089522,1113299,1070092,1075710,1108401,1085390,1082203,1088878,1107671,1093397,1111382,1106308,1082363,1104951,1110081,1093206) ORDER BY field (ArticleID,1066194,1067915,1097633,1083141,1046666,1065713,1112889,1094633,1112642,1095812,1064553,1086902,1084093,1062566,1089522,1113299,1070092,1075710,1108401,1085390,1082203,1088878,1107671,1093397,1111382,1106308,1082363,1104951,1110081,1093206)