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Activities/Abacus (view source)

Revision as of 16:22, 2 April 2010

29 bytes added ,  16:22, 2 April 2010
→‎About Abacus
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Nepohualtzintzin, a Mayan abacus based on 20.
 
Nepohualtzintzin, a Mayan abacus based on 20.
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[[Category:Sugar Activity]]
Retrieved from "https://wiki.sugarlabs.org/go/Special:MobileDiff/50655"