Корень из 2х+5 корень из х-1=8 - №30256069

Корень из 2х+5 корень из х-1=8
- Предмет:
  Математика
- Автор:
  félix5s4f
- 5 лет назад

Ответы 1

1)2х+5=02х=-5х=-2,52)х-1=8х=1+8х=9
- Автор:
  moocherpgtl
- 5 лет назад
- 0
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Один токарь выточил y деталей, другой на 7 деталей больше, чем первый, а третий на 8 деталей меньше, чем второй. Вместе они сделали 81 деталь. Решить уравнение.
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Найди значение выражения:

7/17
1/17 = .

пожалуста дайте ответ!

я дам вам 40 баллов
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