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31 déc. 1969 - THE HAND - HELD CALCULATOR
Description:
Se utilizó par facilitar la enseñanza de las matematicas en las escuelas.
Ajouté au bande de temps:
HISTORIA DE LA TECNOLOGIA EDUCATIVA JOHANA
By
johana ruales tabla
30 oct. 2018
0
0
535
Date:
31 déc. 1969
Maintenaint
~ Il y a 55 ans
Les images:
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