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单词 Wheat and Chessboard Problem
释义

Wheat and Chessboard Problem

Let one grain of wheat be placed on the first square of a Chessboard, two on the second, four on the third, eight onthe fourth, etc. How many grains total are placed on an Chessboard? Since this is a GeometricSeries, the answer for squares is


Plugging in then gives .


References

Pappas, T. ``The Wheat & Chessboard.'' The Joy of Mathematics. San Carlos, CA: Wide World Publ./Tetra, p. 17, 1989.


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