Помогите оценить значение выражения, если известно, что 5 оценить: а) -2xy - №18188463

Помогите оценить значение выражения, если известно, что 5 оценить:
а) -2xy
б)3x+4y
в)2x-0.2y
г)y/x
- Предмет:
  Алгебра
- Автор:
  boomhauer5m0m
- 6 лет назад

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