Archived Japanese children learn super-fast mathematics with abacus (hooktube.com)
submitted ago by Grindelwo
Posted by: Grindelwo
Posting time: 1.7 years ago on
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Archived on: 7/4/2019 10:00:00 AM
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Archived Japanese children learn super-fast mathematics with abacus (hooktube.com)
submitted ago by Grindelwo
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[–] FoundingUncle ago
Can you reccomend an English language how-to guide?