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What is the difference between a 13 column abacus and 5 column abacus?

User Gang
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2 Answers

5 votes

Answer:

The difference between these two types of abaci are the number the beads.

Step-by-step explanation:

User Rajesh Subramanian
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7 votes

Answer: The difference between these two types of abaci are the number the beads.

Step-by-step explanation:

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User SOG
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