Предмет: Алгебра, автор: vasya123e

Как раскрыть модуль?

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Автор ответа: nastya3743

раскрыть модуль необходимо определить знак подмодульного выражения. Если оно положительно, то можно просто убирать знак модуля. Если же подмодульное выражение отрицательно, то его нужно умножить на "минус", и знак модуля, опять-таки, больше не писать.

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