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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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10 feb 2012 anni - 2012 Se reformó el Artículo 3° constitucional y se estableció la obligatoriedad de la educación media superior.
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10 feb 2012 anni
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~ 13 years ago
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