Difference between revisions of "2015 UNM-PNM Statewide High School Mathematics Contest II Problems/Problem 10"

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[[Category:Intermediate Algebra Problems]]

Latest revision as of 03:57, 12 January 2019

Problem

Solve $\underbrace{\overline{aa\ldots a}}_{\text{2k}} - \underbrace{\overline{bb\ldots b}}_{\text{k}}=(\underbrace{\overline{cc\ldots c}}_{\text{k}})^2$ , where $(\underbrace{\overline{cc\ldots c}}_{\text{k}}$ denotes a number with $k$ digits each one equal to $c$.

Solution

See also

2015 UNM-PNM Contest II (ProblemsAnswer KeyResources)
Preceded by
Problem 9
Followed by
last question
1 2 3 4 5 6 7 8 9 10
All UNM-PNM Problems and Solutions