9 9/28 - (4 5/21 - x) = 6 2/7

9 9/28 - (4 5/21 - x) = 6 2/7
- Предмет:
  Математика
- Автор:
  darbyhgnd
- 6 лет назад

Ответы 3

100% верно
- Автор:
  peña61
- 6 лет назад
- 0
261/28-(89/21-x)=12/7261/28-(89/21-x)=12/7261/28-89/21+x=12/761/12+x=12/7x=12/7-61/12x=-283/84 или - 3,36905
- Автор:
  ellen
- 6 лет назад
- 0
9 9/28-(4 5/21-x)=6 2/79
9 9/28-4 5/21+x=6 2/7
5 1/12+x=6 2/7
x=6 2/7-5 1/12
x=6 24/84-5 7/84=1 17/84
Дополнение к вычислениям:
9/28-4 5/21=9 27/84-20/84=5 7/84=5 1/12
- Автор:
  kibblescollier
- 6 лет назад
- 0
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9 9/28 - (4 5/21 - x) = 6 2/7

Ответы 3

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