Ball John Books
Books di Ball John con argomento Mathematical Recreations Juvenile Literature Mathematics Problems Exercises Etc Juvenile Literature Mathematical Recreations

Go Figure!
Ball Johnny
edizioni Dk Pub collana Dk Pub (Hardcover)
Helps readers investigate mathematical marvels such as why daisies always have 34, 55, or 89 petals, why all the world's phone numbers appear in pi, and other paradoxes that will make readers look at numbers in a whole new way.