正方形内角的和是多少

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select * from tbl_Articles WHERE ArticleID=348361 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=348361 LIMIT 0,1
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SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1091952,1067739,988570,1083421,1054676,1046654,1058085,1127705,1107687,1056384,1045655,1099583,1073568,1053584,1107118,1126577,1127479,1106697,1066498,1110273,1089526,3437950,1061838,1132483,1105543,1127189,1065795,1071481,1052549,1132049) ORDER BY field (ArticleID,1091952,1067739,988570,1083421,1054676,1046654,1058085,1127705,1107687,1056384,1045655,1099583,1073568,1053584,1107118,1126577,1127479,1106697,1066498,1110273,1089526,3437950,1061838,1132483,1105543,1127189,1065795,1071481,1052549,1132049)