000 00651nam a2200241 a 4500
005 20210219153534.0
008 991125n 000 0 u
035 _aUPN01000105336
100 _aSchrock, Connie
222 _aSCHOOL SCIENCE AND MATHEMATICS
245 _aWright or wrong : Teaching the order of operations
300 _a28-30
362 _a93, No. 1, 1993
505 _aJulio 1993
653 0 _aCALCULADORAS
653 0 _aDESTREZAS MATEMATICAS
653 0 _aENSE\197ANZA MATEMATICA
653 0 _aMETODOS DE ENSE\197ANZA
653 0 _aMNEMOTECNIA
700 _aMorrow, Jean
904 _aAC
_b043147
905 _aArticulo
999 _c79433
_d79433