Abacus calculation - The Chinese Abacus, History, How to Use the Chinese Abacus

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Mental Calculation

Since adding the two numbers in the tens place will result in 10, you'll carry over a 1 to the hundred place, making it a 9 in that column.

  • After both the upper beads in the upper row are counted, the result i.

  • The Chinese abacus has a long history, and using one is actually simple though it takes practice to use it proficiently.




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