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1980 Canadian MO Problems

Revision as of 20:40, 14 December 2011 by Airplanes1 (talk | contribs) (Created page with "==Problem 1== If <math>a679b</math> is the decimal expansion of a number in base <math>10</math>, such that it is divisible by <math>72</math>, determine <math> a,b</math>. [...")
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Problem 1

If $a679b$ is the decimal expansion of a number in base $10$, such that it is divisible by $72$, determine $a,b$.


Solution

Problem 2

Solution

Problem 3

Solution

Problem 4

Solution

Problem 5

Solution

Resources

1980 Canadian MO

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