На одной полке а книг.Это на б книг меньше чем на второй.Сколько всего книг на двух полках? - Дата: 08.04.2020, Автор: hulk88 - №10300619

На одной полке а книг.Это на б книг меньше чем на второй.Сколько всего книг на двух полках?
- Предмет:
  Математика
- Автор:
  hulk88
- 5 лет назад

Ответы 1

а+б - книг на второй полкетогда а+(а+б)=2а+б - на обеих полках.
- Автор:
  zachery
- 5 лет назад
- 0
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