245 в степени n деленое на 7в степени 2n-1 * 5в степени n+2" - №11335096

245 в степени n деленое на 7в степени 2n-1 * 5в степени n+2"
- Предмет:
  Алгебра
- Автор:
  shyann
- 6 лет назад

Ответы 1

$245=5*7^2$ $5^n* 7^{2n} / 7^{2n-1} * 5^{n+2}=7/5^2=7/25$
- Автор:
  reneelozano
- 6 лет назад
- 0
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