00418cam a22001694a 4500003001000000005001700010008004100027040002500068041000800093044000700101080000700108100002300115245003100138260003600169650002400205655001900229AR-SsjUIB20250710155051.0250429s1975 ag 000 0 spa d aAR-SsjUIBcAR-SsjUIB0 aspa aag a511 aHeywood, Arthur H.10aMatemática para adultos. aBuenos Aires :bMarymar,c1975. 7aMatemáticas2lemb 7aLibro2unescot