Art of Problem Solving

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  • And our only answer choice less than 81 is <math>\boxed{(A) 80}</math> (RegularHexagon) ...
    10 KB (1,414 words) - 10:59, 27 October 2023
  • ...from the total gives <imath>6561-3280=\boxed{\textbf{(D) } 3281}</imath>. (RegularHexagon, KLBBC minor changes) ...
    12 KB (1,820 words) - 17:24, 8 November 2025
  • ...st <math>n</math> satisfying both is <math>lcm(5, 39)=\boxed{195}</math>. (RegularHexagon) ...
    11 KB (1,632 words) - 16:18, 2 January 2025