2 тетради стоят столько же сколько 3 блокнота. Сколько стоят 11 блокнотов если одна тетрадь стоит 9 рублей

2 тетради стоят столько же сколько 3 блокнота. Сколько стоят 11 блокнотов если одна тетрадь стоит 9 рублей
- Предмет:
  Математика
- Автор:
  thunder5rpi
- 5 лет назад

Ответы 2

1 тет.-9 руб2 тет.-18 рубПо условию задачи 3 блокнота стоят столько же, сколько 2 тетради.Значит 18 * 3 =54 руб.и 18:3=6 руб- стоит 1 блокнот6+6=12 руб стоят 2 блокнотаПосле 54+12=66 руб.Ответ 66 рубля стоят 11 блокнотовКто сделал выше меня не верно
- Автор:
  jamie
- 5 лет назад
- 0
9+9 18руб/ две тетради стоят18:3 6руб/стоит один блокнот6*11 66руб/стоят 11 блокнотов
- Автор:
  hugh75
- 5 лет назад
- 0
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2 тетради стоят столько же сколько 3 блокнота. Сколько стоят 11 блокнотов если одна тетрадь стоит 9 рублей

Ответы 2

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