Срочно! Вычислите: (5/8+1 1/4)*4/15= Переведите потом в десятичные дроби Даю 20 балов

Срочно!
Вычислите: (5/8+1 1/4)*4/15=
Переведите потом в десятичные дроби
Даю 20 балов
- Предмет:
  Алгебра
- Автор:
  smoochiemhyz
- 6 лет назад

Ответы 4

Я не понял там дробь 1 1/4 или 11/4?
- Автор:
  bond
- 6 лет назад
- 0
1 1/4
- Автор:
  ildefonso
- 6 лет назад
- 0
:)
- Автор:
  piperpatel
- 6 лет назад
- 0
(5/8+1 1/4)*4/15=1/2=0,51) Сначала делаем в скобках: 1 1/4 переводим в неправильную=5/45/8+5/4- общий множитель 8= 5/8+10/8=15/82)15/8*4/15= 15 и 15 сокращаем, 8 и 4 сокращаем, остаётся 2Ответ:1/2=0,5
- Автор:
  halflingnvqb
- 6 лет назад
- 0
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Срочно! Вычислите: (5/8+1 1/4)*4/15= Переведите потом в десятичные дроби Даю 20 балов

Ответы 4

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Срочно!
Вычислите: (5/8+1 1/4)*4/15=
Переведите потом в десятичные дроби
Даю 20 балов