Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"history le matematicas" » "history de matematicas", "history la matematicas", "history las matematicas", "history of matematicas"
"history en matematica" » "history en matematicas", "history e matematica", "history la matematica", "historia en matematica", "history and matematica", "history of matematica"
"history a matematica" » "history la matematica", "history da matematica", "history e matematica", "history and matematica", "history of matematica"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("history en matematica") OR ("history a matematica"))) OR ("history le matematicas"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"history en matematica\") OR (\"history a matematica\"))) OR (\"history le matematicas\"))".
• Removing quotes may allow a broader search: (((( history en matematica ) OR ( history a matematica ))) OR ( history le matematicas )).
• Adding a wildcard symbol may retrieve word variants: (((("history en matematica") OR ("history a matematica"))) OR ("history le matematicas"))*.