How to multiply and Add on an abacus
7:05
Added: 1 year ago
From: hansoo27
Views: 14,582
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  • U made no sense

    lihnlihn 9 months ago

  • hmm...I believe 3,572 and 2,429 equal 6,001 and not 5,001.

    StarLightSylvie 9 months ago

  • Well that's just madeningly unhelpful. I tried to follow the multiplication, but the sound was all over the place, and the directions were unclear.

    Donosis1 11 months ago

  • Damn thank you!

    BrOimAzN 1 year ago

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