负数乘以分数怎么算啊

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select * from tbl_Articles WHERE ArticleID=161990 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=161990 LIMIT 0,1
select * from tbl_Articles_sphinx where id=161990 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1055726,1044845,1070832,1077782,1078354,1128669,1121904,1126948,1109511,1103402,1083158,1061788,1105363,1102468,1079219,1129779,1131913,1373043,1071595,1127761,1117367,1371967,1061564,1064945,1090657,1097907,1126736,1098003,1120149,1123207) ORDER BY field (ArticleID,1055726,1044845,1070832,1077782,1078354,1128669,1121904,1126948,1109511,1103402,1083158,1061788,1105363,1102468,1079219,1129779,1131913,1373043,1071595,1127761,1117367,1371967,1061564,1064945,1090657,1097907,1126736,1098003,1120149,1123207)