27⁴ - 3⁹ = (3³)⁴ - 3⁹ = 3¹² - 3⁹ = 3⁹(3³ - 1) = 3⁹ * 26
Кратно 26 , 3 , 9 , ...
=(3^3)^4-3^9=3^12-3^9=3^9(3^3-1)=3^9(27-1)=3^9*26-кратное числу 26
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27⁴ - 3⁹ = (3³)⁴ - 3⁹ = 3¹² - 3⁹ = 3⁹(3³ - 1) = 3⁹ * 26
Кратно 26 , 3 , 9 , ...
=(3^3)^4-3^9=3^12-3^9=3^9(3^3-1)=3^9(27-1)=3^9*26-кратное числу 26