00291nam a2200109Ia 4500008004100000050001700041100001400058245004700072260002100119300001400140500002700154120626s9999    xx            000 0 und d  aQA11 B7 1978  aBOSCH, C.  aMatemáticas 1 / C. Bosch, C. Hernández  aMexico: CULTURAL  a448 p.:il  aNIVEL SECUNDARIAÌÌ