01168nam a2200313 i 450099100118760970753620020507184854.0980122s1967 it ||| | ita b10812969-39ule_instLE01308408ExLDip.to Matematicaeng512.9AMS 00A35ZDM F30Yarnelle, John E.55261I numeri razionali /di John Yarnelle e Richard SpreckelmeyerMilano :Progresso Tecnico Editoriale,196796 p. ;19 cm.Parlando di matematicaTrad. dell'ed. imgl.: The rational numbers. - Boston : D. C. HeathDidactis of mathematicsMethodology of mathematicsSpreckelmeyer, Richardauthorhttp://id.loc.gov/vocabulary/relators/aut536261.b1081296923-02-1728-06-02991001187609707536LE013 F30 YAR11 (1967)12013000093925le013-E0.00-l- 04040.i1091865628-06-02Numeri razionali1455851UNISALENTOle01301-01-98ma -itait 21