упростите выражение 1/7х-х+0,5,при х=-7 - №18977810

упростите выражение 1/7х-х+0,5,при х=-7
- Предмет:
  Математика
- Автор:
  soniamullins
- 5 лет назад

Ответы 1

1/7х-х+0,5=1/7х-7/7х+0,5=-6/7х+0,5
Если х=-7 ,то -6/7х+0,5=-6/7*(-7)+0,5=6+0,5=6,5
Ответ:6,5
- Автор:
  marie
- 5 лет назад
- 0
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