This funny introduction to Ben Franklin and his inventions includes the story of how he created the "magic square"--a box of nine numbers arranged so that any line of three numbers adds up to the same number, including on the diagonal. Illustrations.
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This funny introduction to Ben Franklin and his inventions includes the story of how he created the "magic square"--a box of nine numbers arranged so that any line of three numbers adds up to the same number, including on the diagonal. Illustrations.
Read Less
Add this copy of Ben Franklin and the Magic Squares to cart. $28.00, fair condition, Sold by ThriftBooks-Atlanta rated 5.0 out of 5 stars, ships from Austell, GA, UNITED STATES, published 2001 by Perfection Learning.
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Seller's Description:
Ex-Library copy with typical library marks and stamps. Cover and binding are worn but intact. A reading copy in fair condition. Library rebinding. Secure packaging for safe delivery.