7 = D in a W is easy, but what about 54 = CS on a RC or 12 = B on a T?
Test yourself, your friends, and family and have hours of fun with these 300 number puzzles
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Seller: Revaluation Books, Exeter, United Kingdom
Paperback. Condition: Brand New. 34 pages. 9.00x6.00x0.08 inches. This item is printed on demand. Seller Inventory # zk1514837862
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