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1983 AHSME Problems/Problem 14: Revision history

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19 March 2017

  • curprev 21:2421:24, 19 March 2017 Crocodile 40 talk contribs 738 bytes +738 Created page with "First, we notice that <math>3^0</math> is congruent to <math>1</math> (mod 10), <math>3^1</math> is <math>3</math> (mod 10), <math>3^2</math> is <math>9</math> (mod 10), <math..."
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