分数除法怎么算

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select * from tbl_Articles WHERE ArticleID=1855550 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1855550 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1855550 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1123709,1098827,1127569,1103220,1121762,1092452,1101477,1120414,1123170,1119838,1116365,1108510,1131543,1132589,1107983,1068932,1072759,1131003,1107533,1130820,1105155,1130910,1052183,1129133,1122703,1125339,1122936,1111538,1132413,1041523) ORDER BY field (ArticleID,1123709,1098827,1127569,1103220,1121762,1092452,1101477,1120414,1123170,1119838,1116365,1108510,1131543,1132589,1107983,1068932,1072759,1131003,1107533,1130820,1105155,1130910,1052183,1129133,1122703,1125339,1122936,1111538,1132413,1041523)