Difference between revisions of "2009 UNCO Math Contest II Problems/Problem 1"
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== See also == | == See also == | ||
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[[Category:Introductory Algebra Problems]] | [[Category:Introductory Algebra Problems]] |
Revision as of 21:27, 19 October 2014
Problem
How many positive -digit numbers are there such that For example, and have this property but and do not.
Solution
See also
2009 UNCO Math Contest II (Problems • Answer Key • Resources) | ||
Preceded by First Question |
Followed by Problem 2 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 | ||
All UNCO Math Contest Problems and Solutions |