2017-06-14から1日間の記事一覧
問題 Problem 29:Distinct powers Consider all integer combinations of ab for 2 ≤ a ≤ 5 and 2 ≤ b ≤ 5:2^2=4, 2^3=8, 2^4=16, 2^5=32 3^2=9, 3^3=27, 3^4=81, 3^5=243 4^2=16, 4^3=64, 4^4=256, 4^5=1024 5^2=25, 5^3=125, 5^4=625, 5^5=3125 If they a…