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Abacus Addition

A demonstration of how to use the abacus for calculating addition equations.  
 
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SilentGhost29 (2 months ago) Show Hide
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Horrible method!! How do you teach like that?
daboulkioutaw (1 month ago) Show Hide
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that's the good method man
cheekytintin2 (1 year ago) Show Hide
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last time i know how to use this 8 yrs ago lol. i forgot how to use it already. lols. too used to the calculator. i think the abacus is a classic. woo
enigma067 (1 year ago) Show Hide
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This is a Japanese Soroban, not a Chinese Abacus. Change the title to "Soroban Addition" !
sonnyhe2002 (1 year ago) Show Hide
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soroban is still an abacus....
antibs99 (6 months ago) Show Hide
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yep soroban means abacus in Japanese
ichigo2008bleach (1 year ago) Show Hide
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omfg wrong fingering!
Girlsurfer01 (7 months ago) Show Hide
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doesn't matter, i think
this is not piano! lol
leshark (6 months ago) Show Hide
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no it does matter, actually if ur looking for speed
0Cheetah0 (1 year ago) Show Hide
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Thanks.
It was simple and useful.
I really appreciate it.

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