01022nam a2200253Ia 4500001000700000003000500007005001700012008004100029040001800070050001800088082001000106100003700116240004400153245010600197250001100303260004300314300002800357490005300385504003100438650005000469650006400519999001900583952016600602218932BIBL20160527200215.0711228s1969    ag a     b    000 0 spa    aDLCcDLCdDLC00aQA135.5b.F5700a372.710aFlournoy, Frances.2Local99734110aElementary school mathematics.lSpanish14aLas matemáticas en la escuela primariacFrances Flournoy ; traducción de Sara M. Llosa de Molina.  a2. ed.  aBuenos AiresbEditorial Troquelc1969.  a128 p.bdiagrs.c24 cm.0 aBiblioteca de la nueva educación2Local961482  aBibliography: p. [124]-125 0aArithmeticxStudy and teaching.2Local954423 0aMathematicsxStudy and teaching (Elementary)2Local9132758  c163997d163997  0010406372_700000000000000_F647E_E708abl9295557a1b1c17d2016-05-27i313569l0o372.7 F647e Ep60000002013321r2016-05-27 00:00:00xr:218932 x z:NCC:Dy6