Предмет: Математика, автор: Оля01111

помогите пожалуйста)) Буду очень благодарна!А то завтра Кр☺

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Автор ответа: javampishu

0

(7+5а)/8-3а/16=(2(7+5а)-3а)/16=(14+10а-3а)/16=(14+7а)/16=7(2+а)/16

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