Предмет: Математика, автор: belii318

Платье и блузка вместе стоят 200рублей а юбка и блузка 154 Найти цену каждой вещи если их общая стоимость состовляет 296 рублей

Ответы

Автор ответа: marinangl

платье - а
блузка - б
юбка - в
а+б=200 откуда а=200-б
б+в=154 откуда в=154-б
а+б+в=296 откуда -б=-58 а б=58
тогда а=142 и в=96

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