已知点 在幂函数f（x）的图象上，则f（x）的表达式为

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='19254' and id < 1663742 and id<>'1663742' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='19254' and id > 1663742 and id<>'1663742' order by id asc limit 5