How many different numbers? Any way
Задача
Value of expression \(3^{75} + 6 \cdot 3^{60} - 5\cdot 3^{20} + 2\cdot3^{15} + 165 \) is written in base 9 number system. How many different digits are there in this notation? Solve in any way, answer only the number.
Выберите правильный ответ, либо введите его в поле ввода
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