这个MYSQL语句怎么查不出正确的结果?

SELECT   id,headline,date_added   FROM   ag_news   WHERE   cate_id   IN   (   '2,69,72,71,70,10,57,54,53,9,18,17,8,52,16,15,14,7,48,13,12,11'   )   ORDER   BY   date_added   DESC    
   
  是不是IN语句 *** 了in子句参数的数目?而且不能全部查出来,不知道怎么回事?

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改一下  
  SELECT   id,headline,date_added   FROM   ag_news   WHERE   cate_id   IN   (   2,69,72,71,70,10,57,54,53,9,18,17,8,52,16,15,14,7,48,13,12,11   )   ORDER   BY   date_added   DESC

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SELECT   id,headline,date_added   FROM   ag_news   WHERE   cate_id   IN   ('2,69,72,71,70,10,57,54,53,9,18,17,8,52,16,15,14,7,48,13,12,11   )   ORDER   BY   date_added   DESC

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不要那个单引号

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SELECT   id,headline,date_added   FROM   ag_news   WHERE   cate_id   IN   ('2,69,72,71,70,10,57,54,53,9,18,17,8,52,16,15,14,7,48,13,12,11   )   ORDER   BY   date_added   DESC

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