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ERIC Number: EJ182118
Record Type: Journal
Publication Date: 1978
Pages: N/A
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Sum of the Integers
Nicolai, Michael B.
Mathematics Teacher, 71, 4, 271-73, Apr 78
Finding the sum of all n digit whole numbers that can be formed from an n digit whole number is proposed as a useful classroom activity. The problem leads from inductive method to deductive proof with the aid of pocket calculators, and provides an opportunity to introduce factorial notation and permutations. (MN)
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