Помогите пожалуйста, какая правильная формула изомера бутен-1 - №20920856

Помогите пожалуйста, какая правильная формула изомера бутен-1
- Предмет:
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- Автор:
  eleanorfuller
- 6 лет назад

Ответы 1

3 вариант ответа верный
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  trevorqped
- 6 лет назад
- 0
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Пожалуйста,надо перевести в прямую речь,помогите
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