算盘的发明TheinventionofAbacus
long
,letmetellyouabouthowabacuswasinvented.
,thekingwantedhimto
iuswasnotgoodatthis
sreasonmistakestookplacerepeatedly.
Afterwards,hiswifetaughthimawaytosolvethismatterby
tosaywhenmoneycomesinyou
tieaknot,hat,
Confuciusdevelopeditintoballsonpoleswithaframearound
andtheancientabacuscameintobeingatthatmoment.
Fromthenon,thewholeworldstartedusingitforcalculation.
realsosome
peoplewhocollectoldabacusbecauabacushasalonghistory
andisveryfamousintheworld.
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