Контрольные задания > Представьте в виде дроби выражение: 5b/28+9b/28.

Вопрос:

Представьте в виде дроби выражение: 5b/28+9b/28.

Ответ:

\[\frac{5b}{28} + \frac{9b}{28} = \frac{14b}{28} = \frac{b}{2}\]

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