Предмет: Математика, автор: gulzazak18

За карандаш и тетрадь нужно заплатить 20 р. Если купить ту же тетрадь и два карандаша, то покупка будет стоить 23 р. Какова цена карандаша? Сколько стоит тетрадь?нужна краткая запись?помогите пожалуйста

Ответы

Автор ответа: Роберто111рл

1)23-20
3 рубля стоит 1 карандаш.
2)20-3
17 рублей стоит 1 тетрадь.

Автор ответа: gulzazak18

нужна краткая запись условия.решение не надо

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