Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"history ddde matematicas" » "history desde matematicas", "history de matematicas", "history de matematica", "history dddde matematicas", "history ddden matematicas", "history dddy matematicas", "history and matematicas"
"history la matematica" » "history las matematicas", "history de matematicas", "history en matematicas", "history a matematica", "historia la matematica", "history of matematica"
"historia e matematica" » "historia de matematica", "historia en matematica", "historia y 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 la matematica") OR ((("historia e matematica") OR ("history ddde matematicas"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"history la matematica\") OR (((\"historia e matematica\") OR (\"history ddde matematicas\"))))".
• Removing quotes may allow a broader search: (( history la matematica ) OR ((( historia e matematica ) OR ( history ddde matematicas )))).
• Adding a wildcard symbol may retrieve word variants: (("history la matematica") OR ((("historia e matematica") OR ("history ddde matematicas"))))*.