Difference between revisions of "2014 UNM-PNM Statewide High School Mathematics Contest II Problems/Problem 5"
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== Solution == | == Solution == | ||
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== See also == | == See also == |
Revision as of 13:23, 20 December 2018
Problem
is written on the blackboard. The sum of its digits is calculated. Then the sum of the digits of the result is calculated and so on until we have a single digit. If , what is this digit?
Solution
This problem needs a solution. If you have a solution for it, please help us out by adding it.
See also
2014 UNM-PNM Contest II (Problems • Answer Key • Resources) | ||
Preceded by Problem 4 |
Followed by Problem 6 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 | ||
All UNM-PNM Problems and Solutions |