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Issue Date
Title
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2000
El aprendizaje del sistema de numeración decimal en alumnos de 2o. grado de educación primaria
Silvia Elena Martínez Lara
2000
Cómo favorecer la comprensión del valor posicional de las cifras dentro del sistema decimal en cuarto grado de primaria
María de la Luz Olveda Payán
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María de la Luz Olveda Payán
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Silvia Elena Martínez Lara
Date issued
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2000