分数的加减法怎么算

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select * from tbl_Articles WHERE ArticleID=780686 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=780686 LIMIT 0,1
select * from tbl_Articles_sphinx where id=780686 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(886027,3035104,1117201,389411,3130070,770027,86729,3382498,1136842,1723593,3480039,774160,744806,763583,1115303,724792,1215544,2280927,1140189,595858,3232098,772418,1880098,1172886,3443508,1752909,1107457,3357039,1117111,374657) ORDER BY field (ArticleID,886027,3035104,1117201,389411,3130070,770027,86729,3382498,1136842,1723593,3480039,774160,744806,763583,1115303,724792,1215544,2280927,1140189,595858,3232098,772418,1880098,1172886,3443508,1752909,1107457,3357039,1117111,374657)