9^x + 8 * 3^x+1 = 81 - №10902628

9^x + 8 * 3^x+1 = 81
- Предмет:
  Математика
- Автор:
  neal
- 5 лет назад

Ответы 1

решение во вложении
- Автор:
  ayden
- 5 лет назад
- 0
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