Aritmetica : grado pre-primario /
| Main Author: | |
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| Format: | Book |
| Language: | Spanish |
| Published: |
Puerto Rico :
Cenit,
1970.
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| Series: | Coleccion Cenit. textos para la ensenanza primaria
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| Subjects: |
| Physical Description: | 127 páginas : ilustraciones ; 26 cm.-- |
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