Difference between revisions of "2006 AIME A Problems/Problem 7"
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== See also == | == See also == | ||
*[[2006 AIME II Problems]] | *[[2006 AIME II Problems]] | ||
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| + | [[Category:Intermediate Combinatorics Problems]] | ||
Revision as of 09:37, 16 July 2006
Problem
Find the number of ordered pairs of positive integers 
such that 
and neither 
nor 
has a zero digit.
