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2013a.00576 Verdier, Norbert G\'erini, Christian Texts in questions. (Textes en questions.) Quadrature 86, 15-16 (2012). 2012 Quadrature, Revigny-sur-Ornain FR F90 A30 B\'ezout coins change \'ecole polytechnique examinations problems The authors present the solution of an examination problem (polytechnic school): ``How to pay 542 pounds with 17 pounds coins, giving the change with 11 pounds coins.'' In the second section, they study the contributions of professors and students of polytechnic schools in mathematical publications during the 19th century. Jean Paul Truc (Grenoble)