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Book, 1994?
Current format, Book, 1994?, , All copies in use.
Book, 1994?
Current format, Book, 1994?, , All copies in use. Offered in 0 more formats
Professor Iris and the students find lots of things in the classroom to count. They learn that there are different ways to count things. The professor introduces an abacus, an ancient Chinese device for counting.
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