Предмет: Математика, автор: xcavadova2002

Найдите дробь если сумма обыкновенной дроби с числителем который меньше знаменателя на 3единицы с обратной дробью ей равна 2,9

Ответы

Автор ответа: Amigo3

0

х/(х+3)+(х+3).х=2,9⇒х=2. Искомая дробь равна 2/5.

Ответ: 2/5.

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