Предмет: Математика, автор: sveta22232

За 2 карандаша и 3 тетради заплатили 2400р.а за 1 карандаш и 3 тетради 2100р.найди цену карандаша и тетради?

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Кеня123321: плиз

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Автор ответа: Кеня123321

2400-2100=300(карандаш) стоймасть одного карандаша
300+300=600(карандаши) стоймасть всех корандашей
2400-600=1800(тетради)
Ответ :600 руб 2 карандаша ,1800 руб 3 тетради

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