Difference between revisions of "2004 AIME II Problems/Problem 4"
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== Solution == | == Solution == | ||
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== See also == | == See also == | ||
| + | * [[2004 AIME II Problems/Problem 3 | Previous problem]] | ||
| + | * [[2004 AIME II Problems/Problem 5 | Next problem]] | ||
* [[2004 AIME II Problems]] | * [[2004 AIME II Problems]] | ||
Revision as of 00:57, 11 November 2006
Problem
How many positive integers less than 10,000 have at most two different digits?
Solution
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