SELECT Nomenclature.article_rzhd, Nomenclature.article_c,;
  SUM(Positions.quantity), SUM(Article_move.quantity),;
  SUM(Article_move.quantity)-SUM(Positions.quantity);
 FROM ;
     data1!nomenclature ;
    RIGHT OUTER JOIN data1!positions ;
   ON  Nomenclature.article_n = Positions.article ;
    LEFT OUTER JOIN data1!article_move ;
   ON  Nomenclature.article_n = Article_move.article;
 GROUP BY Nomenclature.article_c, Nomenclature.article_rzhd