задуманное число на 3 десятка меньше двухкратного значения числа 42 . какое число задумано? - №29356296

задуманное число на 3 десятка меньше двухкратного значения числа 42 . какое число задумано?
- Предмет:
  Математика
- Автор:
  mekhifarmer
- 6 лет назад

Ответы 1

двухкратное значение 42 =2×42=84а наше число =84-30=54ответ 54
- Автор:
  mariah
- 6 лет назад
- 0
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