00477nam a2200169Ia 4500001000700000003000500007005001700012008004100029050001100070245006600081250001100147260006200158300001700220500002000237650002300257700002700280197309BIBL20160527192802.0790524s1992    prua          00110 spa  0 aQA39.200aDestrezas básicas de matemáticascFrancisco Leal...[et.a]  a5. ed.0 aSan Juan , P.R.bMcGraw-Hill Interamericana, S.A.cc1992.  a250 p.bill.  aIncludes index. 0aMathematics2Local10aLeal, Francisco2Local