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→500 Kahn Math Videos in OGV format: updated link
===[http://mapmeld.appspot.com/khan_categories.html Khan Academy videos in OGV format]===
===[http://mapmeld.appspot.com/khan_categories.html Khan Academy videos in OGV format]===
===[http://download.unleashkids.org/khan/ 500 Kahn Math Videos in OGV format]===
===[http://download.unleashkids.org/xsce/downloads/khan/ Kahn Math Videos in OGV format]===
more than 500 of Mark's short math videos, all in OGG (.ogv) for near universal playability, in these 21 categories:
more than 500 of Mark's short math videos, all in OGG (.ogv) for near universal playability, in these 21 categories:
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