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1 янв 1800 г. - Las pizarras de tiza comenzaron a usarse en las escuelas alrededor del siglo XVIII
Добавлено на ленту времени:
Historia de la Tecnología Educativa
By
Alejandro Matos
9 ноя 2019
0
0
488
Дата:
1 янв 1800 г.
Сейчас
~ 225 г назад
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