000 00518nam a2200193 a 4500
005 20210219153259.0
008 991125n 000 0 u
035 _aUPN01000088288
100 _aWatson, Jane M.
222 _aSCHOOL SCIENCE AND MATHEMATICS
245 _aModels to show the impossibility of division by zero
300 _a373-376
362 _a91, No. 8, 1991
505 _aMayo 1992
653 0 _aACTIVIDADES DE APRENDIZAJE
653 0 _aDIVISION
904 _aAC
_b026099
905 _aArticulo
999 _c72949
_d72949