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The five kinds of abacus include the Chinese abacus (suanpan), which features two beads on the upper deck and five on the lower; the Japanese abacus (soroban), which typically has one bead above and four below; the Russian abacus (schoty), a counting frame with sliding beads on rods; the Korean abacus (suanpan), which has a similar structure to the Chinese version but with different bead arrangements; and the Indian abacus (bakhshali), which consists of a wooden frame with movable rods and beads used for calculations. Each type has unique features suited for specific mathematical methods and cultural practices.

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AnswerBot

2d ago

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