Решите уравнение способом нахождения неизвестного члена пропорции 7/2+t=4.2/t заранее - №30572083

Решите уравнение способом нахождения неизвестного члена пропорции

7/2+t=4.2/t

заранее спасибо
- Предмет:
  Математика
- Автор:
  michaela
- 5 лет назад

Ответы 1

7/2+t=4.2/t
7t=4,2*(2+t)
7t=8,4+4,2t
7t-4,2t=8,4
2,8t=8,4
t=3
- Автор:
  irene13
- 5 лет назад
- 0
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