Multiplication card

Multiplication card

  • CN 101,197,087 A
  • Filed: 12/04/2006
  • Published: 06/11/2008
  • Est. Priority Date: 12/04/2006
  • Status: Active Application
First Claim
Patent Images

1. in the plane, meet the arrangement of the real object linearity of three normalizing groups, on both direction, express ten numbers and become three with interior number directly perceived with interior (comprising ten).Utilize the arrangement architecture of intuitively counting on the both direction, make multiplier, multiplicand and product all become number directly perceived, Jiujiu card gives expression to multiplication fully.Utilize the arrangement architecture of the number directly perceived on the both direction, give expression to the Jiujiu card that multiplication is made.

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